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Search: id:A031015
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A031015 a(n)=least k such that base 7 representation of n begins at s(k), where s=A031007. +0
1
1, 2, 3, 4, 5, 6, 20, 8, 1, 12, 14, 16, 18, 34, 11, 24, 2, 28, 30, 32, 48, 13, 27, 40, 3, 44, 46, 62, 15, 29, 43, 56, 4, 60, 76, 17, 31, 45, 59, 72, 5, 6, 19, 33, 47, 61, 75, 88, 237, 94, 20, 153, 174, 195, 216, 93, 8, 9, 119, 122, 125, 128, 96 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A115896 A116018 A048095 this_sequence A024639 A123678 A037333

Adjacent sequences: A031012 A031013 A031014 this_sequence A031016 A031017 A031018

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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