login
A119086
Numbers k such that the k-th triangular number contains only digits {0,5,9}.
2
10, 34, 44, 100, 109, 1000, 10000, 10090, 10099, 31780, 100000, 1000000, 1000999, 1382685, 4255724, 10000000, 10862780, 13827219, 100000000, 100009900, 100009909, 100009955, 100009999, 100901000, 1000000000, 10000000000
OFFSET
1,1
CROSSREFS
Cf. A000217, A119085. See A119034 for a table of cross-references.
Sequence in context: A177221 A045087 A324746 * A195900 A322412 A247129
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved