Number of length 5+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.
A250564
Number of length 5+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =62a(1) =989a(2) =7126a(3) =31525a(4) =106362a(5) =290909a(6) =695890a(7) =1486139a(8) =2927312a(9) =5373103a(10) =9352712a(11) =15511735a(12) =24776808a(13) =38224089a(14) =57324690a(15) =83749019a(16) =119721620a(17) =167645127a(18) =230722744a(19) =312355167a(20) =416892578a(21) =548957107a(22) =714415336a(23) =919264381
External references
- oeis: A250564