a(n) = (5*n+1)*(5*n+2)*(5*n+3)*(5*n+4).

Terms

a(0) =24a(1) =3024a(2) =24024a(3) =93024a(4) =255024a(5) =570024a(6) =1113024a(7) =1974024a(8) =3258024a(9) =5085024a(10) =7590024a(11) =10923024a(12) =15249024a(13) =20748024a(14) =27615024a(15) =36060024a(16) =46308024a(17) =58599024a(18) =73188024a(19) =90345024a(20) =110355024a(21) =133518024a(22) =160149024a(23) =190578024a(24) =225150024a(25) =264225024a(26) =308178024