

A171968


Odd numbers of A181733 in the order of appearance.


1



1, 1, 1, 3, 1, 5, 3, 7, 1, 9, 5, 13, 3, 7, 11, 15, 1, 17, 9, 25, 5, 13, 21, 29, 3, 7, 11, 15, 19, 23, 27, 31, 1, 33, 17, 49, 9, 25, 41, 57, 5, 13, 21, 29, 37, 45, 53, 61, 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63
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OFFSET

0,4


COMMENTS

This deals with an aspect of the Josephus problem.
Contribution from Paul Curtz, May 30 2011: (Start)
For comparison with A000265, one can arrange the sequence in blocks of length (and with row sum) 2^k, like
1;
1;
1, 3;
1, 5, 3, 7;
1, 9, 5, 13, 3, 7, 11, 15;
1, 17, 9, 25, 5, 13, 21, 29, 3, 7, 11, 15, 19, 23, 27, 31;
or
1, 1,
1, 3,
1, 5, 3, 7,
1, 9, 5, 13, 3, 7, 11, 15,
The even numbers of A181733 are essentially A152423:
2,
2,4,
2,4,6,8,
2,4,6,8,10,12,14,16,
2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32.
(End)


LINKS

Table of n, a(n) for n=0..63.
Index entries for sequences related to the Josephus Problem


CROSSREFS

Cf. A090129.
Sequence in context: A106617 A040026 A106609 * A093474 A030101 A162742
Adjacent sequences: A171965 A171966 A171967 * A171969 A171970 A171971


KEYWORD

nonn


AUTHOR

Paul Curtz, Nov 19 2010


STATUS

approved



