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A026906 Number of sums S of distinct positive integers satisfying S <= n. 2
1, 2, 4, 6, 9, 13, 18, 24, 32, 42, 54, 69, 87, 109, 136, 168, 206, 252, 306, 370, 446, 535, 639, 761, 903, 1068, 1260, 1482, 1738, 2034, 2374, 2764, 3212, 3724, 4309, 4977, 5737, 6601, 7583, 8696, 9956, 11382, 12992, 14808, 16856 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Table[ Sum[ PartitionsQ[k], {k, 1, n}], {n, 1, 50}]

CROSSREFS

Partial sums of A000009.

Sequence in context: A001305 A088575 A177189 * A171861 A039900 A039902

Adjacent sequences:  A026903 A026904 A026905 * A026907 A026908 A026909

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 17 23:40 EST 2012. Contains 206085 sequences.