A270176 Discriminator of the partitions (A000041).

1, 2, 3, 5, 7, 7, 11, 16, 16, 16, 16, 16, 42, 42, 42, 42, 52, 52, 68, 80, 80, 83, 84, 101, 101, 101, 101, 116, 116, 116, 116, 116, 116, 116, 116, 178, 178, 178, 178, 178, 178, 178, 178, 178, 327, 327, 327, 327, 327, 327, 327, 361, 386, 386, 412, 412, 412, 412, 412, 412, 412, 412, 505, 505, 505, 545, 545, 545, 559, 607

Offset: 1

Author

Jeffrey Shallit, May 15 2016

Keywords

• nonn

Comments

The discriminator is the least positive integer k such that the first n terms of the sequence are pairwise incongruent, modulo k.

Here we start with p(1), the partition sequence indexed at 1.

Crossrefs

Cf. A000041.