A069696 Triangular numbers with internal digits 4.

0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 741, 946, 6441, 544446

Offset

1,3

Comments

For proof of finiteness see A069693.

Links

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

Crossrefs

Cf. A069675 to A069684, A069693 to A069700.

Sequence in context: A078254 A069700 A069698 * A025724 A025746 A119663

Adjacent sequences: A069693 A069694 A069695 * A069697 A069698 A069699

Keyword

fini,full,nonn,base

Author

Amarnath Murthy, Apr 06 2002

Extensions

Extended by Robert G. Wilson v, Apr 07 2002

Status

approved