1,4

Bradley Klee computed a(1)-a(10).

Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020

Table of n, a(n) for n=1..81.

Conjectures from Colin Barker, May 13 2020: (Start)

G.f.: x*(1 + 7*x^3 - 3*x^4 - 2*x^5 + 11*x^6 - 11*x^7 + 23*x^12 - 23*x^13) / (1 - x).

a(n) = a(n-1) for n>14.

(End)

Cf. A180001, A334496, A334499-A334515.

Sequence in context: A154509 A081885 A019609 * A093341 A134973 A030437

Adjacent sequences: A334499 A334500 A334501 * A334503 A334504 A334505

nonn

N. J. A. Sloane, May 05 2020

More terms from Bert Dobbelaere, May 09 2020

approved