Triangular sequence based on A002301 and the alternating groups a prime -adic: t(n,m)=n!/Prime[m] for n>=Prime[m].
A129925
Triangular sequence based on A002301 and the alternating groups a prime -adic: t(n,m)=n!/Prime[m] for n>=Prime[m].
Terms
- a(0) =1a(1) =3a(2) =2a(3) =12a(4) =8a(5) =60a(6) =40a(7) =24a(8) =360a(9) =240a(10) =144a(11) =2520a(12) =1680a(13) =1008a(14) =720a(15) =20160a(16) =13440a(17) =8064a(18) =5760a(19) =181440a(20) =120960a(21) =72576a(22) =51840a(23) =1814400a(24) =1209600a(25) =725760a(26) =518400a(27) =19958400a(28) =13305600a(29) =7983360
External references
- oeis: A129925