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A044153 Numbers n such that string 2,1 occurs in the base 7 representation of n but not of n-1. 0
15, 64, 105, 113, 162, 211, 260, 309, 358, 407, 448, 456, 505, 554, 603, 652, 701, 735, 791, 799, 848, 897, 946, 995, 1044, 1093, 1134, 1142, 1191, 1240, 1289, 1338, 1387, 1436, 1477, 1485, 1534, 1583, 1632, 1681, 1730, 1779 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Sequence in context: A138104 A152099 A119496 * A044534 A063483 A082825

Adjacent sequences:  A044150 A044151 A044152 * A044154 A044155 A044156

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 26 10:56 EST 2014. Contains 250056 sequences.