Second subdiagonal of triangle A027477, constructed from the Stirling numbers of the first kind.

Terms

a(0) =23a(1) =215a(2) =1035a(3) =3535a(4) =9730a(5) =23058a(6) =48930a(7) =95370a(8) =173745a(9) =299585a(10) =493493a(11) =782145a(12) =1199380a(13) =1787380a(14) =2597940a(15) =3693828a(16) =5150235a(17) =7056315a(18) =9516815a(19) =12653795a(20) =16608438a(21) =21542950a(22) =27642550a(23) =35117550a(24) =44205525a(25) =55173573a(26) =68320665a(27) =83980085a(28) =102521960a(29) =124355880