A381118 Index of 2^n in A381019.

1, 2, 7, 16, 64, 256, 975, 3856, 16647, 65039, 260112, 1044504, 4177980, 16777224

Offset: 0

Author

N. J. A. Sloane, Feb 14 2025

Keywords

• nonn
• more

Comments

Every power of 2 appears in A381019 (see that entry for proof).

Crossrefs

Cf. A381019, A381115, A381116.

Extensions

a(7) from Michael S. Branicky, Feb 14 2025

a(8) from Michael S. Branicky, Feb 15 2025

a(9)-a(13) from Jinyuan Wang, Feb 16 2025