A044626 - OEIS

A044626

Numbers n such that string 7,2 occurs in the base 8 representation of n but not of n+1.

58, 122, 186, 250, 314, 378, 442, 471, 506, 570, 634, 698, 762, 826, 890, 954, 983, 1018, 1082, 1146, 1210, 1274, 1338, 1402, 1466, 1495, 1530, 1594, 1658, 1722, 1786, 1850, 1914, 1978, 2007, 2042, 2106, 2170, 2234, 2298, 2362

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

MATHEMATICA

Select[Range[2500], MemberQ[Partition[IntegerDigits[#, 8], 2, 1], {7, 2}] && !MemberQ[Partition[IntegerDigits[#+1, 8], 2, 1], {7, 2}]&] (* Harvey P. Dale, Jul 12 2011 *)

CROSSREFS

Sequence in context: A260603 A188238 A044245 * A039536 A348569 A260132

Adjacent sequences: A044623 A044624 A044625 * A044627 A044628 A044629

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved