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A031320 Position of n-th 7 in A031312. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A202089 A063631 A031240 * A112263 A085018 A001741

Adjacent sequences:  A031317 A031318 A031319 * A031321 A031322 A031323

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 19 14:21 EDT 2013. Contains 225431 sequences.