a(n) = floor( Product_{k=0..n-1} (k + t) ), where t = Sum_{n>=1} 1/a(n) is given by A293130.
A293131
a(n) = floor( Product_{k=0..n-1} (k + t) ), where t = Sum_{n>=1} 1/a(n) is given by A293130.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =53a(4) =291a(5) =1878a(6) =13975a(7) =117949a(8) =1113390a(9) =11623335a(10) =132966129a(11) =1654043412a(12) =22229656253a(13) =320987000444
External references
- oeis: A293131