A095870 Least triangular number whose digit permutations yield exactly n further triangular numbers.

1, 10, 120, 17020, 20503, 156520, 1087075, 1021735, 1026028, 1053426, 104653, 10623745, 10280845, 1004653, 10568503, 10725396, 10762480, 12890503, 10348975, 10394520, 101495628, 100543290, 102495403, 100359028, 104972805, 124780503

Offset

0,2

Links

Table of n, a(n) for n=0..25.

Example

20503 yields 253, 325, 23005 and 52003.

Crossrefs

Cf. A069674, A077671, A095869.

Sequence in context: A138445 A138496 A111482 * A178928 A111695 A027770

Adjacent sequences: A095867 A095868 A095869 * A095871 A095872 A095873

Keyword

nonn,base

Author

Ray Chandler, Jun 29 2004

Status

approved