A044744 Numbers n such that string 3,1 occurs in the base 10 representation of n but not of n+1.

31, 131, 231, 319, 331, 431, 531, 631, 731, 831, 931, 1031, 1131, 1231, 1319, 1331, 1431, 1531, 1631, 1731, 1831, 1931, 2031, 2131, 2231, 2319, 2331, 2431, 2531, 2631, 2731, 2831, 2931, 3031, 3199, 3231, 3319, 3331, 3431

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Crossrefs

Sequence in context: A038475 A141931 A044363 * A167388 A250462 A123236

Adjacent sequences: A044741 A044742 A044743 * A044745 A044746 A044747

Keyword

nonn,base

Author

Clark Kimberling

Status

approved