A044501 - OEIS

A044501

Numbers n such that string 3,0 occurs in the base 6 representation of n but not of n+1.

18, 54, 90, 113, 126, 162, 198, 234, 270, 306, 329, 342, 378, 414, 450, 486, 522, 545, 558, 594, 630, 683, 702, 738, 761, 774, 810, 846, 882, 918, 954, 977, 990, 1026, 1062, 1098, 1134, 1170, 1193, 1206, 1242, 1278, 1314, 1350

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

Select[Range[1400], MemberQ[Partition[IntegerDigits[#, 6], 2, 1], {3, 0}]&&!MemberQ[Partition[IntegerDigits[#+1, 6], 2, 1], {3, 0}]&] (* Harvey P. Dale, Feb 08 2011 *)

CROSSREFS

Sequence in context: A205874 A044120 A056808 * A163758 A232546 A069973

Adjacent sequences: A044498 A044499 A044500 * A044502 A044503 A044504

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved