A119060 Numbers k such that the k-th triangular number contains only digits {0,3,4}.

2, 24, 77, 82, 2624, 26242, 29442, 82877, 2840082, 82825117, 93091399, 774641122, 816508460, 9423378739, 81731319999, 246333119999, 2976590096077, 8164967169602

Offset

1,1

Comments

Next term exceeds 1.4*10^16.

Links

Table of n, a(n) for n=1..18.

G. Resta, Tridigital Triangular Numbers

Crossrefs

Cf. A000217, A119059. See A119034 for a table of cross-references.

Sequence in context: A139284 A003614 A195189 * A119050 A119068 A068379

Adjacent sequences: A119057 A119058 A119059 * A119061 A119062 A119063

Keyword

nonn,base,more

Author

Giovanni Resta, May 10 2006

Status

approved