A031320 Position of n-th 7 in A031312.

4, 13, 23, 33, 43, 53, 63, 66, 68, 70, 72, 73, 74, 83, 93, 107, 122, 137, 152, 167, 182, 197, 202, 205, 208, 211, 212, 214, 227, 242, 257, 272, 287, 302, 317, 332, 347, 352, 355, 358, 361, 362, 364, 377, 392, 407, 422, 437, 452

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Crossrefs

Sequence in context: A264623 A063631 A031240 * A112263 A244291 A085018

Adjacent sequences: A031317 A031318 A031319 * A031321 A031322 A031323

Keyword

nonn

Author

Clark Kimberling

Status

approved