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.

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

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..40.

Eric Weisstein's World of Mathematics, Abundant Number

Crossrefs

Sequence in context: A374170 A355312 A212284 * A078286 A004461 A008553

Adjacent sequences: A091232 A091233 A091234 * A091236 A091237 A091238

Keyword

nonn

Author

Reinhard Zumkeller, Dec 27 2003

Status

approved