30282525

Appears in sequences

• a(n) = (4*n+5)(!^4)/5(!^4), related to A007696(n+1) ((4*n+1)(!^4) quartic, or 4-factorials).at n=6A051617
• a(n) = Product_{k=0..n-1} (n+4*k+3).at n=6A384259