A044743 Numbers n such that string 3,0 occurs in the base 10 representation of n but not of n+1.

30, 130, 230, 309, 330, 430, 530, 630, 730, 830, 930, 1030, 1130, 1230, 1309, 1330, 1430, 1530, 1630, 1730, 1830, 1930, 2030, 2130, 2230, 2309, 2330, 2430, 2530, 2630, 2730, 2830, 2930, 3099, 3130, 3230, 3309, 3330, 3430, 3530, 3630, 3730, 3830, 3930, 4030

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Mathematica

Flatten[Position[Partition[Table[Boole[MemberQ[Partition[IntegerDigits[n], 2, 1], {3, 0}]], {n, 6000}], 2, 1], {1, 0}]] (* Vincenzo Librandi, Aug 19 2015 *)

Crossrefs

Sequence in context: A165021 A307849 A044362 * A221522 A291582 A079588

Adjacent sequences: A044740 A044741 A044742 * A044744 A044745 A044746

Keyword

nonn,base

Author

Clark Kimberling

Extensions

More terms from Vincenzo Librandi, Aug 19 2015

Status

approved