A374773 a(n):= #G_{2n}(3n+1) for n >= 1, where G_{2n}(3n+1) is the set of all pure (2n)-sparse gapset of genus 3n+1 and n a positive integer.
3, 8, 22, 54, 135, 331, 808
Offset: 1
Links
- Gilberto B. Almeida Filho and Matheus Bernardini On pure kappa-sparse gapsets, Semigroup Forum, Vol. 104 (2022), pp. 213-227.
- Gilberto Brito and Stéfani Vieira, A certain sequence on pure kappa-sparse gapsets, arXiv:2407.21563 [math.CO], 2024. See pp. 1-2.
Crossrefs
Cf. A348619.