Number of permutations of n elements divided by the number of 10-ary heaps on n+1 elements.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =2a(12) =3a(13) =4a(14) =5a(15) =6a(16) =7a(17) =8a(18) =9a(19) =10a(20) =11a(21) =22a(22) =33a(23) =44a(24) =55a(25) =66a(26) =77a(27) =88a(28) =99a(29) =110