A330311 Where n appears in A329544, or -1 if n never appears.

1, 3, 2, 5, 4, 9, 13, 12, 45, 40, 7, 56, 18, 11, 14, 15, 10, 19, 6, 44, 43, 8, 55, 17, 28, 21, 16, 25, 20, 29, 63, 42, 23, 175, 34, 27, 22, 31, 26, 35, 30, 80, 75, 24, 39, 33, 48, 37, 32, 49, 36, 85, 79, 76, 46, 187, 130, 47, 38, 51, 50, 89, 84, 110, 109

Offset: 1

Author

N. J. A. Sloane, Dec 10 2019

Keywords

• nonn

Comments

a(919) is unknown. If it is not -1, it is greater than 10^6 (see A329544).

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..918

Crossrefs

Cf. A104444, A329544, A329797, A328798.

Formula

a(A104444(n)) = -1. - Rémy Sigrist, Dec 11 2019