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

1,2

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.

Links

Table of n, a(n) for n=1..70.

Crossrefs

Cf. A000041.

Sequence in context: A020482 A060308 A224911 * A064142 A067792 A119317

Adjacent sequences: A270173 A270174 A270175 * A270177 A270178 A270179

Keyword

nonn

Author

Jeffrey Shallit, May 15 2016

Status

approved