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A131936 Partial sums of A006226. 0
1, 3, 12, 30, 148, 387, 1981 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A006226.

Sequence in context: A073952 A107231 A293656 * A009135 A131740 A037237

Adjacent sequences:  A131933 A131934 A131935 * A131937 A131938 A131939

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Oct 05 2007

STATUS

approved

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Last modified October 18 10:53 EDT 2021. Contains 348067 sequences. (Running on oeis4.)