1896129
domain: N
Appears in sequences
- Palindromic squares in base 16.at n=15A029734
- Expansion of (4+49*x+108*x^2-432*x^3+54675*x^5)/((1-27*x^2)*(1-6*x+27*x^2)*(1+6*x+27*x^2)).at n=9A112533
- a(n) = ((n+1)*(2*n-1))^2.at n=26A123198
- Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having zero permanent.at n=3A206467
- Number of (n+1)X5 0..2 arrays with every 2X2 subblock having zero permanent.at n=2A206468
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having zero permanent.at n=17A206472
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having zero permanent.at n=18A206472
- a(n) = Product_{k=0..n} (k^4 + (n-k)^4).at n=3A323542