A273377 Discriminator of the double factorial of odd numbers (A001147)

1, 3, 5, 11, 11, 11, 19, 23, 23, 41, 41, 64, 83, 89, 89, 89, 89, 89, 89, 89, 89, 109, 109, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 283, 283, 283, 283, 283, 283, 283, 283, 283, 283, 283, 379, 379, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421, 421

Offset

1,2

Comments

The discriminator of a sequence is the least positive integer k such that the first n terms of the sequence are pairwise

incongruent, modulo k.

Here we are taking A001147 beginning at position 1.

Links

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

Crossrefs

Sequence in context: A264987 A170835 A122133 * A065019 A071328 A273037

Adjacent sequences: A273374 A273375 A273376 * A273378 A273379 A273380

Keyword

nonn

Author

Jeffrey Shallit, May 21 2016

Status

approved