Number of pairwise coprime compositions of n, where a singleton is not considered coprime unless it is (1).

A337462

Number of pairwise coprime compositions of n, where a singleton is not considered coprime unless it is (1).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =12a(6) =21a(7) =37a(8) =62a(9) =100a(10) =159a(11) =253a(12) =402a(13) =634a(14) =983a(15) =1491a(16) =2224a(17) =3280a(18) =4813a(19) =7043a(20) =10270a(21) =14888a(22) =21415a(23) =30585a(24) =43400a(25) =61204a(26) =85747a(27) =119295a(28) =164834a(29) =226422

External references