The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A277020

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A277020

Unary-binary representation of Stern polynomials: a(n) = A156552(A260443(n)).
(history; published version)

#26 by N. J. A. Sloane at Sat Oct 08 17:01:57 EDT 2016

STATUS

proposed

approved

#25 by Antti Karttunen at Sat Oct 08 11:01:46 EDT 2016

STATUS

editing

proposed

#24 by Antti Karttunen at Sat Oct 08 10:37:53 EDT 2016

CROSSREFS

Cf. A087808 (a left inverse), A156552, A260443, A277189 (odd bisection).

#23 by Antti Karttunen at Sat Oct 08 10:34:31 EDT 2016

FORMULA

a(2n) = 2*a(n).

STATUS

proposed

editing

#22 by Antti Karttunen at Fri Oct 07 12:45:53 EDT 2016

STATUS

editing

proposed

#21 by Antti Karttunen at Fri Oct 07 12:39:52 EDT 2016

FORMULA

A000120(a(n)) = A002487(n).

CROSSREFS

Cf. also A000079, A000120, A000225, A002450, A002487, A003754, A073491, A247648, A260442, A277010, A277012, A276081.

#20 by Antti Karttunen at Fri Oct 07 12:39:13 EDT 2016

STATUS

proposed

editing

#19 by Antti Karttunen at Fri Oct 07 12:18:17 EDT 2016

STATUS

editing

proposed

Discussion

Fri Oct 07

12:39

Antti Karttunen: Of course, forgot this, almost by definition:

#18 by Antti Karttunen at Fri Oct 07 12:16:45 EDT 2016

FORMULA

For all n >= 1, a(A000225(n)) = A002450(n).

Discussion

Fri Oct 07

12:18

Antti Karttunen: Surely has still many other interesting or semi-interesting connections...

#17 by Antti Karttunen at Fri Oct 07 12:16:03 EDT 2016

FORMULA

For all n >= 1, a(A000225(n)) = A002450(n).

CROSSREFS

Cf. also A000079, A000225, A002450, A003754, A073491, A247648, A260442, A277010, A277012, A276081.