a(n) = 2^n - C(n,0)- ... - C(n,9).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =1a(11) =12a(12) =79a(13) =378a(14) =1471a(15) =4944a(16) =14893a(17) =41226a(18) =106762a(19) =262144a(20) =616666a(21) =1401292a(22) =3096514a(23) =6690448a(24) =14198086a(25) =29703676a(26) =61450327a(27) =126025204a(28) =256737233a(29) =520381366