A358291 a(n) = smallest k not already in the sequence such that OEIS entry Ak contains n.

1, 2, 3, 5, 6, 8, 9, 15, 10, 11, 13, 19, 17, 18, 14, 26, 16, 21, 20, 27, 22, 25, 37, 28, 56, 62, 47, 36, 48, 32, 29, 40, 61, 51, 44, 69, 24, 59, 113, 46, 33, 52, 41, 57, 73, 70, 68, 55, 80, 134, 53, 115, 93, 49, 50, 45, 78, 98, 66, 54, 31, 43, 64, 83, 79, 94, 84

Offset: 0

Author

N. J. A. Sloane, Nov 30 2022

Keywords

• nonn
• dumb
• less

Examples

			A000001 contains 0, so a(0) = 1.
A000002 contains 1, so a(1) = 2.
k = 10 is the smallest k not yet in the sequence such that Ak = A000010 contains 8, so a(8) = 10.
		

Links

• Index entries for sequences whose definition involves A_n (or An).

Crossrefs

Cf. A051070, A053169, A053873.

Extensions

More terms from Hugo Pfoertner, Dec 01 2022