Number of squares between n! and (n+1)!, exclusive.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =6a(5) =16a(6) =44a(7) =130a(8) =402a(9) =1302a(10) =4413a(11) =15569a(12) =57025a(13) =216348a(14) =848276a(15) =3430608a(16) =14285534a(17) =61155157a(18) =268761742a(19) =1210999692a(20) =5588016550a(21) =26378327264a(22) =127259503463a(23) =626899847777