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A173765 Partial sums of A005200. 0
1, 3, 7, 18, 46, 124, 337, 935, 2605, 7328, 20684, 58670, 166863, 476032, 1360955, 3899324, 11191494, 32173714, 92625281, 267010344, 770610783, 2226438062, 6438902174, 18638275524, 53995855636, 156548609636, 454200201824 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

x. The subsequence of primes in this partial sum begins: 3, 7, 337, 121208284196421093429539251 = a(58).

LINKS

Table of n, a(n) for n=1..27.

FORMULA

a(n) = SUM[i=1..n] A005200(i).

EXAMPLE

a(28) = 1 + 2 + 4 + 11 + 28 + 78 + 213 + 598 + 1670 + 4723 + 13356 + 37986 + 108193 + 309169 + 884923 + 2538369 + 7292170 + 20982220 + 60451567 + 174385063 + 503600439 + 1455827279 + 4212464112 + 12199373350 + 35357580112 + 102552754000 + 297651592188 + 86446068277.

CROSSREFS

Cf. A005200, A000081, A005201, A000055.

Sequence in context: A059512 A094297 A026107 * A027969 A027971 A219233

Adjacent sequences:  A173762 A173763 A173764 * A173766 A173767 A173768

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post, Feb 24 2010

STATUS

approved

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Last modified August 6 16:05 EDT 2020. Contains 336255 sequences. (Running on oeis4.)