Irregular triangle T(n,c) read by rows: the number of clusters of n spheres centered on f.c.c. lattice sites with c contacts.

A300812

Irregular triangle T(n,c) read by rows: the number of clusters of n spheres centered on f.c.c. lattice sites with c contacts.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =3a(6) =1a(7) =0a(8) =0a(9) =0a(10) =13a(11) =4a(12) =2a(13) =1a(14) =0a(15) =0a(16) =0a(17) =0a(18) =75a(19) =35a(20) =16a(21) =3a(22) =2a(23) =0a(24) =0a(25) =0a(26) =0a(27) =0a(28) =557a(29) =384

External references