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A044269
Numbers n such that string 2,0 occurs in the base 9 representation of n but not of n-1.
0
18, 99, 162, 180, 261, 342, 423, 504, 585, 666, 747, 828, 891, 909, 990, 1071, 1152, 1233, 1314, 1395, 1458, 1557, 1620, 1638, 1719, 1800, 1881, 1962, 2043, 2124, 2205, 2286, 2349, 2367, 2448, 2529, 2610, 2691, 2772, 2853
OFFSET
1,1
CROSSREFS
Sequence in context: A118606 A318063 A177371 * A044650 A008920 A377207
KEYWORD
nonn,base
STATUS
approved