Number of partitions of n where each part i is marked with a word of length i over a ternary alphabet whose letters appear in alphabetical order.

A261737

Number of partitions of n where each part i is marked with a word of length i over a ternary alphabet whose letters appear in alphabetical order.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =55a(4) =216a(5) =729a(6) =2621a(7) =8535a(8) =28689a(9) =91749a(10) =296538a(11) =929712a(12) =2939063a(13) =9093255a(14) =28257123a(15) =86681608a(16) =266368959a(17) =811501848a(18) =2475331535a(19) =7505567037a(20) =22772955015a(21) =68828023329a(22) =208079886258a(23) =627418618533

External references