Eulerian numbers (Euler's triangle: column k=3 of A008292, column k=2 of A173018).

A000460

Eulerian numbers (Euler's triangle: column k=3 of A008292, column k=2 of A173018).

Terms

    a(0) =1a(1) =11a(2) =66a(3) =302a(4) =1191a(5) =4293a(6) =14608a(7) =47840a(8) =152637a(9) =478271a(10) =1479726a(11) =4537314a(12) =13824739a(13) =41932745a(14) =126781020a(15) =382439924a(16) =1151775897a(17) =3464764515a(18) =10414216090a(19) =31284590870a(20) =93941852511a(21) =282010106381a(22) =846416194536

External references