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Search: id:A051640
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A051640 a(n) contains the digit b-1 in all bases b from 2 to n. +0
2
1, 2, 7, 14, 23, 47, 47, 239, 239, 239, 239, 5927, 13679, 13679, 13679, 57119, 159119, 500399, 500399, 1627919, 2585519, 3694397, 7305479, 17067599, 41126399, 41126399, 41126399, 61483967, 586370399, 589188599, 1278033119, 1278033119 (list; graph; listen)
OFFSET

2,2

EXAMPLE

47 = 101111 (base 2), 1202 (base 3), 233 (base 4), 142 (base 5), 115 (base 6), 65 (base 7), 57 (base 8). Base 2 representation contains digit 1, base 3 representation contains digit 2, base 4 representation contains digit 3, etc., so a(8)=47.

CROSSREFS

Sequence in context: A087324 A008865 A018392 this_sequence A119354 A088207 A102999

Adjacent sequences: A051637 A051638 A051639 this_sequence A051641 A051642 A051643

KEYWORD

base,nonn,nice

AUTHOR

Jeff Burch (gburch(AT)erols.com), Jun 04 2000

EXTENSIONS

More terms from Ulrich Schimke (UlrSchimke(AT)aol.com), Jun 12, 2000

Definition corrected by Frank Adams-Watters (FrankTAW(AT)Netscape.net), Apr 10 2006

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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