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A088966 Numbers n such that A007947(n) = A007947(m+1) and A007947(m) = A007947(n+1), where n > m. 2
3, 8, 24, 80, 288, 1088, 4224, 4374, 16640, 66048, 263168, 1050624 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

For every k > 0, the sequence includes 4^n + 2^(n+1), with m = 2^n + 1. - David Wasserman (wasserma(AT)spawar.navy.mil), Jan 29 2004

EXAMPLE

A007947(3) = A007947(3) and A007947(2) = A007947(4), so 3 is in the sequence.

CROSSREFS

Cf. A087914.

A091697 gives the values of m.

Sequence in context: A148784 A148785 A148786 * A148787 A125655 A134165

Adjacent sequences:  A088963 A088964 A088965 * A088967 A088968 A088969

KEYWORD

nonn

AUTHOR

Naohiro Nomoto (pcmusume(AT)alpha-net.ne.jp), Oct 29 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jan 29 2004

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.