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A082556 G.f.: Product_{m>=1} 1/(1-x^m)^30. 3
1, 30, 495, 5890, 56265, 456786, 3263990, 21017040, 124018290, 679118550, 3484681077, 16884109080, 77731521980, 341784289770, 1441489548195, 5852747363518, 22948550618400, 87131200662540, 321100847115950, 1150962640399770, 4020058004480100, 13704611801774340 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MAPLE
a:= proc(n) option remember; `if`(n=0, 1, add(
numtheory[sigma](j)*a(n-j), j=1..n)*30/n)
end:
seq(a(n), n=0..25); # Alois P. Heinz, Mar 12 2015
CROSSREFS
Cf. 30th column of A144064.
Sequence in context: A212473 A127544 A133927 * A036223 A022658 A090957
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 04 2003
STATUS
approved

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)