Binomial coefficient C(26,n).

Terms

a(0) =1a(1) =26a(2) =325a(3) =2600a(4) =14950a(5) =65780a(6) =230230a(7) =657800a(8) =1562275a(9) =3124550a(10) =5311735a(11) =7726160a(12) =9657700a(13) =10400600a(14) =9657700a(15) =7726160a(16) =5311735a(17) =3124550a(18) =1562275a(19) =657800a(20) =230230a(21) =65780a(22) =14950a(23) =2600a(24) =325a(25) =26a(26) =1