a(n) is the number of integer partitions of n for which the rank is equal to the index of the seaweed algebra formed by the integer partition paired with its weight.
A318205
a(n) is the number of integer partitions of n for which the rank is equal to the index of the seaweed algebra formed by the integer partition paired with its weight.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =1a(5) =2a(6) =2a(7) =5a(8) =2a(9) =7a(10) =7a(11) =6a(12) =10a(13) =12a(14) =12a(15) =16a(16) =14a(17) =22a(18) =27a(19) =28a(20) =44a(21) =52a(22) =61a(23) =76a(24) =93a(25) =112a(26) =135a(27) =162a(28) =209a(29) =243
External references
- oeis: A318205