A327009 Indices of records in A327007.

1, 2, 3, 8, 24, 48, 120, 360, 1088, 3135, 9999, 31328, 103040, 342224, 1151328, 3920399, 13571855, 47416995, 166642280, 590733024, 2105524995, 7553695743, 27244473480, 98709700760, 359212031648, 1312529961648

Offset: 1

Author

Max Alekseyev, Aug 12 2019

Keywords

• nonn

Comments

a(n) = smallest m such that A327007(m) = n-1.

Crossrefs

Cf. A000196, A327007, A327008, A327010.

Formula

For n >= 6, a(n) = A327010(n-1)^2 - 1.