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A081614 Subsequence of A005428 with state = 1. 2
1, 4, 6, 9, 31, 70, 105, 355, 799, 1798, 2697, 9103, 20482, 30723, 69127, 155536, 233304, 349956, 524934, 787401, 2657479, 5979328, 8968992, 13453488, 20180232, 30270348, 45405522, 68108283, 153243637, 1745540806, 2618311209, 8836800331, 19882800745, 67104452515, 150985018159, 339716290858, 509574436287, 1146542481646, 1719813722469, 13059835455001, 44076944660629, 753095921662471, 1694465823740560 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..42.

CROSSREFS

Cf. A005428, A081615.

Sequence in context: A326063 A085721 A190300 * A192220 A215477 A292154

Adjacent sequences:  A081611 A081612 A081613 * A081615 A081616 A081617

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Apr 23 2003

EXTENSIONS

More terms from Hans Havermann, Apr 23, 2003

STATUS

approved

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Last modified February 20 12:23 EST 2020. Contains 332076 sequences. (Running on oeis4.)