A309691 Total number of divisors d of m (counted with multiplicity), such that the prime signature of d is a partition of two and m runs through the set of least numbers whose prime signature is a partition of n.

2, 6, 16, 32, 65, 113, 199, 323, 523, 803, 1237, 1826, 2696, 3873, 5544, 7767, 10859, 14912, 20425, 27598, 37156, 49473, 65679, 86350, 113179, 147191, 190806, 245676, 315415, 402522, 512250, 648551, 818831, 1029139, 1290151, 1610701, 2005969, 2489167, 3081434

Offset

2,1

Links

Alois P. Heinz, Table of n, a(n) for n = 2..7500

Crossrefs

Column k=2 of A079025.

Sequence in context: A171218 A032091 A182994 * A235792 A192706 A248832

Adjacent sequences: A309688 A309689 A309690 * A309692 A309693 A309694

Keyword

nonn

Author

Alois P. Heinz, Aug 23 2019

Status

approved