The first subdiagonal of triangle A196842.
A277132
The first subdiagonal of triangle A196842.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =78a(4) =508a(5) =3796a(6) =32048a(7) =301872a(8) =3139680a(9) =35746080a(10) =442258560a(11) =5909028480a(12) =84802072320
External references
- oeis: A277132