Number of one-element transitions among partitions of the integer n for labeled parts.

Terms

a(0) =0a(1) =0a(2) =2a(3) =8a(4) =22a(5) =48a(6) =98a(7) =178a(8) =316a(9) =524a(10) =856a(11) =1334a(12) =2066a(13) =3084a(14) =4578a(15) =6626a(16) =9530a(17) =13434a(18) =18854a(19) =26022a(20) =35764a(21) =48520a(22) =65526a(23) =87550a(24) =116536a(25) =153674a(26) =201906a(27) =263258a(28) =342006a(29) =441366