A387499 a(n) is the conjecturally latest index where n occurs in A322345, or -1 if n doesn't occur.

-1, -1, -1, -1, 0, -1, 3, 5, 9, 12, 18, 23, 29, 37, 46, 59, 73, 83, 103, 115, 139, 159, 182

Offset

0,7

Comments

a(23) >= 205.

Links

Table of n, a(n) for n=0..22.

Hugo Pfoertner, Polygons corresponding to A063984(n) and A387499(n), (2025).

Crossrefs

Cf. A063984 (earliest occurrence), A070911, A322345.

Sequence in context: A005766 A211538 A368613 * A247799 A265702 A190310

Adjacent sequences: A387496 A387497 A387498 * A387500 A387501 A387502

Keyword

sign,more

Author

Hugo Pfoertner, Sep 08 2025

Status

approved