A045986 Describe the n-th triangular number A000217(n).

10, 11, 13, 16, 1110, 1115, 1211, 1218, 1316, 1415, 25, 26, 1718, 1911, 111015, 111210, 111316, 111513, 111711, 111910, 121110, 121311, 121513, 121716, 1320, 131215, 131511, 131718, 141016, 141315, 141615, 141916, 151218, 151611, 151915

Offset

0,1

Links

Table of n, a(n) for n=0..34.

Crossrefs

Cf. A000217, A005150, A045987, A045988.

Sequence in context: A121295 A121296 A121265 * A216836 A188165 A125588

Adjacent sequences: A045983 A045984 A045985 * A045987 A045988 A045989

Keyword

nonn,easy,base

Author

N. J. A. Sloane

Extensions

More terms from Patrick De Geest, Jun 15 1999

Status

approved