A028280 Distinct elements in 4-Pascal triangle A028275 (by row).
1, 4, 5, 6, 10, 7, 16, 8, 23, 32, 9, 31, 55, 40, 86, 110, 11, 50, 126, 196, 12, 61, 176, 322, 392, 13, 73, 237, 498, 714, 14, 310, 735, 1212, 1428, 15, 100, 396, 1045, 1947, 2640, 115, 496, 1441, 2992, 4587, 5280, 17, 131, 611, 1937, 4433, 7579, 9867, 18, 148, 742
Offset: 0
Extensions
More terms from James Sellers