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 and all three letters occur at least once in the partition.

A293367

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 and all three letters occur at least once in the partition.

Terms

    a(0) =10a(1) =81a(2) =396a(3) =1751a(4) =6528a(5) =23892a(6) =80979a(7) =272085a(8) =876342a(9) =2821217a(10) =8840964a(11) =27713589a(12) =85532512a(13) =263935014a(14) =806417553a(15) =2464692788a(16) =7483544643a(17) =22727335830a(18) =68734242687a(19) =207887123472a(20) =627024671262

External references