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A028267
Number of distinct elements in 3-Pascal triangle A028262 (by row).
0
1, 3, 4, 5, 8, 6, 13, 7, 19, 26, 45, 9, 34, 71, 90, 10, 43, 105, 161, 11, 53, 148, 266, 322, 12, 64, 201, 414, 588, 76, 265, 615, 1002, 1176, 14, 89, 341, 880, 1617, 2178, 15, 103, 430, 1221, 2497, 3795, 4356, 16, 118, 533, 1651, 3718, 6292, 8151, 17, 134, 651
OFFSET
0,2
CROSSREFS
Sequence in context: A214626 A143593 A364089 * A364063 A215497 A092997
KEYWORD
nonn,easy,tabf
EXTENSIONS
More terms from James A. Sellers
STATUS
approved