Sequence terms are generated by solving the n x n linear algebra problem [H]x = b, where b is the unit vector. Only xn, the last unknown is used.
A124261
Sequence terms are generated by solving the n x n linear algebra problem [H]x = b, where b is the unit vector. Only xn, the last unknown is used.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =12a(5) =20a(6) =300a(7) =525a(8) =1960a(9) =49392a(10) =1481760a(11) =5821200a(12) =164656800a(13) =336370320a(14) =3741185448
External references
- oeis: A124261