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Search: id:A049992
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A049992 a(n)=number of arithmetic progressions of 3 or more positive integers, nondecreasing with sum n. +0
1
0, 0, 1, 1, 1, 3, 1, 2, 4, 3, 1, 7, 1, 3, 8, 4, 1, 10, 1, 6, 10, 4, 1, 14, 4, 4, 12, 7, 1, 19, 1, 6, 14, 5, 7, 22, 1, 5, 16, 12, 1, 24, 1, 8, 25, 6, 1, 27, 4, 12, 21, 9, 1, 29, 9, 12, 23, 7, 1, 40, 1, 7, 30, 11, 10, 35, 1, 10, 27, 21, 1, 42, 1, 8, 39, 11 (list; graph; listen)
OFFSET

1,6

CROSSREFS

Sequence in context: A117905 A133445 A139457 this_sequence A074585 A108038 A151845

Adjacent sequences: A049989 A049990 A049991 this_sequence A049993 A049994 A049995

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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