A031309 a(n)=least k such that base 10 representation of n begins at s(k), where s=A031298.

1, 2, 3, 4, 5, 6, 7, 8, 9, 29, 11, 1, 15, 17, 19, 21, 23, 25, 27, 49, 14, 33, 2, 37, 39, 41, 43, 45, 47, 69, 16, 36, 55, 3, 59, 61, 63, 65, 67, 89, 18, 38, 58, 77, 4, 81, 83, 85, 87, 109, 20, 40, 60, 80, 99, 5, 103, 105, 107, 129, 22, 42, 62, 82

Offset

1,2

Links

Table of n, a(n) for n=1..64.

Crossrefs

Sequence in context: A364187 A179979 A256005 * A122621 A229547 A118767

Adjacent sequences: A031306 A031307 A031308 * A031310 A031311 A031312

Keyword

nonn

Author

Clark Kimberling

Status

approved