Number of magic labelings of the nodes of the 4 X 4 grid graph with magic sum n.

Terms

a(0) =1a(1) =36a(2) =446a(3) =3172a(4) =15891a(5) =62408a(6) =204828a(7) =585672a(8) =1501269a(9) =3521452a(10) =7674810a(11) =15723500a(12) =30556903a(13) =56739216a(14) =101252408a(15) =174482832a(16) =291507177a(17) =473741364a(18) =751024438a(19) =1164218484a(20) =1768415099a(21) =2636848984a(22) =3865629780a(23) =5579414360a(24) =7938153405a(25) =11145058236a(26) =15455946546a(27) =21190138876a(28) =28743091407