Number of strings of numbers x(i=1..n) in 0..6 with sum i*x(i)^2 equal to n*36.
A184438
Number of strings of numbers x(i=1..n) in 0..6 with sum i*x(i)^2 equal to n*36.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =15a(4) =92a(5) =436a(6) =1993a(7) =9478a(8) =43638a(9) =187235a(10) =809030a(11) =3365945a(12) =13510461a(13) =53274149a(14) =204598179a(15) =765394402a(16) =2806261890a(17) =10071367726a(18) =35409883104a(19) =122234932333a(20) =414412164610
External references
- oeis: A184438