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A045986
Describe the n-th triangular number A000217(n).
2
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
(list; graph; refs; listen; history; text; internal format)
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

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Last modified November 16 01:18 EST 2024. Contains 377778 sequences.
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