A032686 Numbers k such that k surrounded by digit '1' is a lucky number.

1, 4, 5, 7, 10, 20, 23, 25, 26, 28, 29, 40, 44, 47, 49, 50, 61, 64, 70, 71, 73, 77, 80, 83, 92, 94, 101, 109, 118, 130, 134, 137, 139, 149, 152, 154, 158, 164, 172, 173, 178, 181, 191, 196, 199, 212, 214, 215, 220, 230, 232, 239, 241, 248, 262, 263

Offset

1,2

Links

Table of n, a(n) for n=1..56.

Crossrefs

Cf. A000959, A032682.

Sequence in context: A018910 A022936 A057708 * A074300 A344157 A047375

Adjacent sequences: A032683 A032684 A032685 * A032687 A032688 A032689

Keyword

nonn,base

Author

Patrick De Geest, May 15 1998

Status

approved