Number of partitions of n into parts of exactly 3 sorts which are introduced in ascending order.
A258458
Number of partitions of n into parts of exactly 3 sorts which are introduced in ascending order.
Terms
- a(0) =1a(1) =7a(2) =33a(3) =130a(4) =463a(5) =1557a(6) =5031a(7) =15877a(8) =49240a(9) =151116a(10) =460173a(11) =1394645a(12) =4212071a(13) =12693724a(14) =38195286a(15) =114817389a(16) =344911117a(17) =1035659955a(18) =3108817911a(19) =9330152740a(20) =27997803871a(21) =84008165515a(22) =252053831034a(23) =756220333901
External references
- oeis: A258458