A050360 Abelian groups (factorizations into prime powers >1) indexed by prime signatures. A000688(A025487).

1, 1, 2, 1, 3, 2, 5, 3, 1, 7, 4, 5, 2, 11, 6, 7, 3, 15, 10, 4, 11, 1, 9, 5, 22, 14, 6, 15, 2, 15, 7, 30, 22, 10, 22, 3, 21, 8, 11, 42, 9, 30, 4, 25, 14, 30, 5, 33, 12, 15, 56, 15, 44, 1, 6, 35, 22, 42, 7, 45, 20, 22, 77, 21, 60, 2, 10, 55, 18, 30, 56, 8, 25, 11, 66, 28, 9, 30, 49, 101

Offset

1,3

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for sequences related to groups

Prog

(Haskell)
a050360 = a000688 . a025487  -- Reinhard Zumkeller, Aug 28 2014

Crossrefs

Cf. A000041, A000688, A000961, A050361-A050364.

Cf. A025487.

Sequence in context: A134735 A240867 A242363 * A175003 A176431 A363083

Adjacent sequences: A050357 A050358 A050359 * A050361 A050362 A050363

Keyword

nonn

Author

Christian G. Bower, Oct 15 1999

Extensions

More terms from David Wasserman, Feb 14 2002

Status

approved