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A031005 Position of n-th 6 in A030998. 0
6, 20, 34, 48, 62, 76, 77, 79, 81, 83, 85, 87, 89, 90, 111, 132, 153, 174, 195, 216, 218, 221, 224, 227, 230, 233, 236, 237, 258, 279, 300, 321, 342, 363, 365, 368, 371, 374, 377, 380, 383, 384, 405, 426, 447, 468, 489, 510, 512 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Flatten[Position[Flatten[IntegerDigits[#, 7]&/@Range[0, 200]], 6]]-1 (* Harvey P. Dale, Mar 25 2019 *)

CROSSREFS

Sequence in context: A325593 A226363 A253906 * A106528 A031068 A031052

Adjacent sequences:  A031002 A031003 A031004 * A031006 A031007 A031008

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 19 22:36 EST 2020. Contains 332061 sequences. (Running on oeis4.)