A304206 Numbers from the "octagonal theorem of sixty".

1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 60

Offset

1,2

Links

Table of n, a(n) for n=1..12.

Jangwon Ju, Universal sums of generalized pentagonal numbers, arXiv:1805.03434 [math.NT], 2018 (see page 2).

Jangwon Ju and Byeong-Kweon Oh, Universal sums of generalized pentagonal numbers, arXiv:1704.08826 [math.NT], 2017 (see page 6, Theorem 3.1).

Crossrefs

Cf. A030050, A030051, A116582, A154363, A304204.

Sequence in context: A097987 A049149 A332555 * A243498 A156287 A162293

Adjacent sequences: A304203 A304204 A304205 * A304207 A304208 A304209

Keyword

nonn,fini,full

Author

Vincenzo Librandi, May 11 2018

Status

approved