The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A209638

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

A209638

Sequence A209636 (or A209637) sorted into ascending order.
(history; published version)

#28 by Alois P. Heinz at Tue May 04 17:40:31 EDT 2021

STATUS

reviewed

approved

#27 by Michel Marcus at Tue May 04 13:35:12 EDT 2021

STATUS

proposed

reviewed

#26 by F. Chapoton at Tue May 04 13:00:29 EDT 2021

STATUS

editing

proposed

#25 by F. Chapoton at Tue May 04 13:00:20 EDT 2021

PROG

n//=2

n=(n - 1)//2

print (sorted([a(n) for n in range(101)]) ) # Indranil Ghosh, May 26 2017

STATUS

approved

editing

Discussion

Tue May 04

13:00

F. Chapoton: adapt py code to py3

#24 by N. J. A. Sloane at Sat Dec 07 12:18:26 EST 2019

PROG

print sorted([a(n) for n in xrangerange(101)]) # Indranil Ghosh, May 26 2017

Discussion

Sat Dec 07

12:18

OEIS Server: https://oeis.org/edit/global/2837

#23 by Bruno Berselli at Fri May 26 08:55:16 EDT 2017

STATUS

reviewed

approved

#22 by Joerg Arndt at Fri May 26 08:45:44 EDT 2017

STATUS

proposed

reviewed

#21 by Indranil Ghosh at Fri May 26 08:44:13 EDT 2017

STATUS

editing

proposed

#20 by Indranil Ghosh at Fri May 26 08:43:44 EDT 2017

PROG

(Python)

from sympy import prime

def a(n):

n = 2*n

m = 1

if n<2: return 1

while n>1:

if n%2==0:

n/=2

m*=2

else:

n=(n - 1)/2

m=prime(m)

return m

print sorted([a(n) for n in xrange(101)]) # Indranil Ghosh, May 26 2017

STATUS

approved

editing

#19 by Joerg Arndt at Tue Mar 07 06:19:47 EST 2017

STATUS

proposed

approved