Stirling numbers of second kind S2(18,n).

Terms

a(0) =1a(1) =131071a(2) =64439010a(3) =2798806985a(4) =28958095545a(5) =110687251039a(6) =197462483400a(7) =189036065010a(8) =106175395755a(9) =37112163803a(10) =8391004908a(11) =1256328866a(12) =125854638a(13) =8408778a(14) =367200a(15) =9996a(16) =153a(17) =1