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A105996 A050030(2^n+1). 1
1, 2, 4, 11, 41, 222, 1761, 21064, 386241, 11044282, 500411824, 36427700084, 4313893200131, 840463941752366, 272080763704257502, 147646989859379243894, 135364497363933610026002 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

CROSSREFS

Cf. A107354.

Sequence in context: A295772 A099934 A067353 * A213937 A328437 A107703

Adjacent sequences:  A105993 A105994 A105995 * A105997 A105998 A105999

KEYWORD

nonn

AUTHOR

Max Alekseyev, May 22 2005

EXTENSIONS

Reference to a dead duplicated sequence changed to an existing one by Antti Karttunen, Aug 25 2006

STATUS

approved

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Last modified February 25 22:37 EST 2021. Contains 341618 sequences. (Running on oeis4.)