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A043925
Numbers k such that 2 and 6 occur juxtaposed in the base-7 representation of k but not of k+1.
0
20, 44, 69, 93, 118, 146, 167, 191, 216, 240, 265, 289, 314, 338, 363, 387, 412, 436, 461, 489, 510, 534, 559, 583, 608, 632, 657, 681, 706, 730, 755, 779, 804, 832, 853, 877, 902, 926, 951, 975, 1028, 1049, 1073, 1098, 1122
OFFSET
1,1
CROSSREFS
Cf. A007093.
Sequence in context: A295795 A039322 A043145 * A211459 A256870 A134619
KEYWORD
nonn,base
STATUS
approved