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A091235 Number of ways to partition the set of divisors of the n-th abundant number into three subsets such that their sums form an integer triangle. +0
2
20, 21, 14, 220, 208, 791, 161, 181, 2330, 181, 134, 25068, 181, 92, 24243, 181, 1774, 22681, 92, 22282, 22140, 531, 181, 62, 21885, 1427, 181, 2320401, 21213, 20737, 181, 17188, 701341, 20695, 19950, 16949, 1911, 2159976, 181, 1020 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n) = A091234(A005101(n)).

LINKS

Eric Weisstein's World of Mathematics, Abundant Number

CROSSREFS

Sequence in context: A040381 A022354 A165841 this_sequence A078286 A004461 A008553

Adjacent sequences: A091232 A091233 A091234 this_sequence A091236 A091237 A091238

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 27 2003

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


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