Binomial coefficient C(42,n).

Terms

a(0) =1a(1) =42a(2) =861a(3) =11480a(4) =111930a(5) =850668a(6) =5245786a(7) =26978328a(8) =118030185a(9) =445891810a(10) =1471442973a(11) =4280561376a(12) =11058116888a(13) =25518731280a(14) =52860229080a(15) =98672427616a(16) =166509721602a(17) =254661927156a(18) =353697121050a(19) =446775310800a(20) =513791607420a(21) =538257874440a(22) =513791607420