A391018 a(n) = A006577(A391017(n)).

0, 7, 16, 19, 23, 111, 26, 34, 32, 46, 52, 61, 61, 87, 90, 93, 97, 100, 107, 124, 149, 126, 152, 134, 141, 154, 136, 144, 139, 147, 153, 156, 159, 193, 202, 216, 223, 245, 253, 256, 280, 283, 287, 290, 298, 301, 307, 324, 337, 359, 362, 365, 378, 381, 394, 384, 405, 407, 410, 439

Offset

1,2

Links

Table of n, a(n) for n=1..60.

Hugo Pfoertner, Table of n, A391017(n), a(n) and product, (2025).

Crossrefs

Cf. A006577, A391016, A391017.

Sequence in context: A132348 A177763 A101073 * A026226 A335569 A349103

Adjacent sequences: A391015 A391016 A391017 * A391019 A391020 A391021

Keyword

nonn

Author

Hugo Pfoertner, Nov 26 2025

Status

approved