Number of magical labelings of the octahedral graph of magic sum n.

Terms

a(0) =1a(1) =8a(2) =40a(3) =144a(4) =417a(5) =1032a(6) =2272a(7) =4568a(8) =8545a(9) =15072a(10) =25320a(11) =40824a(12) =63553a(13) =95984a(14) =141184a(15) =202896a(16) =285633a(17) =394776a(18) =536680a(19) =718784a(20) =949729a(21) =1239480a(22) =1599456a(23) =2042664a(24) =2583841a(25) =3239600a(26) =4028584a(27) =4971624a(28) =6091905a(29) =7415136