Number of ways to place eight distinct positive integers on a square, four on the corners and four on the sides such that the sum of the three values on each side is n.
A380962
Number of ways to place eight distinct positive integers on a square, four on the corners and four on the sides such that the sum of the three values on each side is n.
Terms
- a(0) =3a(1) =9a(2) =23a(3) =48a(4) =84a(5) =132a(6) =226a(7) =304a(8) =456a(9) =629a(10) =849a(11) =1079a(12) =1501a(13) =1794a(14) =2317a(15) =2898a(16) =3519a(17) =4195a(18) =5288a(19) =6049a(20) =7282a(21) =8605a(22) =10017a(23) =11494a(24) =13662a(25) =15273a(26) =17680a(27) =20231a(28) =22842a(29) =25573
External references
- oeis: A380962