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A173271 Partial sums of A000105. 1
1, 2, 3, 5, 10, 22, 57, 165, 534, 1819, 6474, 23547, 87147, 325738, 1227709, 4654285, 17733540, 67841449, 260463501, 1003087733, 3873759683, 14996820361, 58188678049, 226235685777, 881235386180, 3438462430944, 13437551253019 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Jean-François Alcover, Table of n, a(n) for n = 0..48

MATHEMATICA

Cases[Import["https://oeis.org/A000105/b000105.txt", "Table"], {_, _}][[All, 2]] // Accumulate (* Jean-François Alcover, Aug 17 2022 *)

CROSSREFS

Cf. A000105.

Sequence in context: A014844 A307264 A329244 * A326574 A280019 A063253

Adjacent sequences: A173268 A173269 A173270 * A173272 A173273 A173274

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Feb 14 2010

STATUS

approved

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Last modified December 4 19:07 EST 2022. Contains 358563 sequences. (Running on oeis4.)