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A031306 Position of n-th 7 in A031298. 0
7, 24, 44, 64, 84, 104, 124, 131, 133, 135, 137, 139, 141, 143, 144, 145, 147, 149, 164, 184, 211, 241, 271, 301, 331, 361, 391, 401, 404, 407, 410, 413, 416, 419, 421, 422, 425, 428, 451, 481, 511, 541, 571, 601, 631, 661, 691 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Sequence in context: A154612 A031084 A063136 * A217749 A006707 A196116

Adjacent sequences:  A031303 A031304 A031305 * A031307 A031308 A031309

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 27 16:20 EST 2021. Contains 349394 sequences. (Running on oeis4.)