cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A239962 Number of partitions of n such that (number of distinct parts) = multiplicity of the least part.

Original entry on oeis.org

1, 1, 1, 1, 2, 2, 3, 3, 6, 4, 10, 9, 12, 16, 23, 21, 34, 42, 45, 64, 76, 92, 113, 144, 166, 214, 247, 308, 365, 459, 523, 642, 774, 922, 1094, 1304, 1556, 1830, 2191, 2573, 3039, 3570, 4242, 4911, 5859, 6756, 8000, 9244, 10916, 12581, 14780, 17048, 19894
Offset: 0

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Author

Clark Kimberling, Mar 30 2014

Keywords

Examples

			a(8) counts these 6 partitions:  611, 44, 422, 3311, 32111, 2222.
		

Crossrefs

Cf. A239960.

Programs

  • Mathematica
    z = 54; d[p_] := d[p] = Length[DeleteDuplicates[p]]; Table[Count[IntegerPartitions[n], p_ /; d[p] == Count[p, Min[p]]], {n, 0, z}]