Triangle read by rows: T(n,k) is the number of non-crossing set partitions of {1..5n} into n sets of 5 with k of the sets being a contiguous set of elements.
A334063
Triangle read by rows: T(n,k) is the number of non-crossing set partitions of {1..5n} into n sets of 5 with k of the sets being a contiguous set of elements.
Terms
- a(0) =1a(1) =4a(2) =1a(3) =16a(4) =18a(5) =1a(6) =64a(7) =168a(8) =52a(9) =1a(10) =256a(11) =1216a(12) =936a(13) =121a(14) =1a(15) =1024a(16) =7680a(17) =11040a(18) =3760a(19) =246a(20) =1a(21) =4096a(22) =44544a(23) =103040a(24) =67480a(25) =12264a(26) =455a(27) =1a(28) =16384a(29) =243712
External references
- oeis: A334063