Number of strings of numbers x(i=1..n) in 0..8 with sum i*x(i)^2 equal to n*64.
A184440
Number of strings of numbers x(i=1..n) in 0..8 with sum i*x(i)^2 equal to n*64.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =28a(4) =146a(5) =1160a(6) =6805a(7) =38560a(8) =248861a(9) =1376999a(10) =7346823a(11) =40066933a(12) =205138785a(13) =1021202011a(14) =5016967826a(15) =23832660309a(16) =110581697393a(17) =503553260431
External references
- oeis: A184440