Number of pairwise coprime strict compositions of n, where a singleton is always considered coprime.

A337562

Number of pairwise coprime strict compositions of n, where a singleton is always considered coprime.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =5a(6) =9a(7) =7a(8) =17a(9) =13a(10) =23a(11) =41a(12) =41a(13) =67a(14) =49a(15) =75a(16) =75a(17) =155a(18) =211a(19) =229a(20) =243a(21) =241a(22) =287a(23) =395a(24) =807a(25) =537a(26) =841a(27) =655a(28) =1147a(29) =1619

External references