A257599 Cusp numbers of terms of A091401.

1, 2, 2, 3, 2, 4, 2, 4, 4, 4, 6, 2, 6, 8, 6

Offset

1,2

Links

Table of n, a(n) for n=1..15.

Yang-Hui He, John McKay, Sporadic and Exceptional, arXiv:1505.06742 [math.AG], 2015.

Crossrefs

Cf. A091401.

Sequence in context: A182861 A049238 A001616 * A366620 A218702 A363525

Adjacent sequences: A257596 A257597 A257598 * A257600 A257601 A257602

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Jun 07 2015

Status

approved