Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1).
A337561
Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =2a(4) =2a(5) =4a(6) =8a(7) =6a(8) =16a(9) =12a(10) =22a(11) =40a(12) =40a(13) =66a(14) =48a(15) =74a(16) =74a(17) =154a(18) =210a(19) =228a(20) =242a(21) =240a(22) =286a(23) =394a(24) =806a(25) =536a(26) =840a(27) =654a(28) =1146a(29) =1618
External references
- oeis: A337561