A266187 - OEIS

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A266187

a(n) = A266196(A000225(n)); index of (2^n)-1 in A266195.

4

1, 3, 8, 22, 49, 115, 258, 1040, 2610

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OFFSET

1,2

COMMENTS

A264982(a(n)) is the last term k in A264982 for which A070939(k) = n.

LINKS

Table of n, a(n) for n=1..9.

FORMULA

a(n) = A266196(A000225(n)).

CROSSREFS

Cf. A000225, A070939, A264982, A266195, A266196, A266186.

Sequence in context: A063937 A363593 A178525 * A328002 A202192 A027211

Adjacent sequences: A266184 A266185 A266186 * A266188 A266189 A266190

KEYWORD

nonn,base,more

AUTHOR

Antti Karttunen, Dec 26 2015

STATUS

approved