A028267 Number of distinct elements in 3-Pascal triangle A028262 (by row).

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

Links

Table of n, a(n) for n=0..56.

Crossrefs

Sequence in context: A143593 A379133 A364089 * A364063 A215497 A092997

Adjacent sequences: A028264 A028265 A028266 * A028268 A028269 A028270

Keyword

nonn,easy,tabf

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers

Status

approved