A348459 a(n) = max(A307720(n), A307720(n+1)).

1, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6

Offset: 1

Author

N. J. A. Sloane, Oct 30 2021

Keywords

• nonn

Comments

This is the maximum of A348241 and A348242. It is the upper line (red or blue) in Cheswick's pictures in A348248.

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..25000
• Rémy Sigrist, PARI program for A348459

Crossrefs

Cf. A307720, A307730, A348241, A348242, A348248, A348446.

Programs

PARI

See Links section.