A344453 Lexicographically earliest sequence S of distinct nonnegative terms such that the n-th even digit of S is present in the n-th even term of S.

0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 30, 1, 40, 3, 24, 50, 5, 22, 34, 7, 60, 9, 26, 28, 11, 42, 13, 36, 70, 15, 32, 46, 52, 38, 17, 19, 44, 62, 21, 23, 25, 56, 27, 80, 29, 31, 33, 72, 48, 64, 35, 82, 37, 58, 39, 41, 43, 45, 54, 74, 66, 92, 102, 47, 112, 49, 120, 51, 53, 68, 122, 55, 78, 90, 124, 57

Offset

1,2

Links

Table of n, a(n) for n=1..77.

Example

The 12th even digit of S is 0 (from 20) and this 0 is present in the 12th even term of S (which is 30).

Crossrefs

Cf. A247143.

Sequence in context: A194402 A134930 A084562 * A344450 A240714 A276463

Adjacent sequences: A344450 A344451 A344452 * A344454 A344455 A344456

Keyword

base,nonn

Author

Eric Angelini and Carole Dubois, May 19 2021

Status

approved