Triangle read by rows: T(0,0) = 1; T(n,k) = 7 * T(n-1,k) + T(n-2,k-1) for k = 0..floor(n/2). T(n,k)=0 for n or k < 0.
A317014
Triangle read by rows: T(0,0) = 1; T(n,k) = 7 * T(n-1,k) + T(n-2,k-1) for k = 0..floor(n/2). T(n,k)=0 for n or k < 0.
Terms
- a(0) =1a(1) =7a(2) =49a(3) =1a(4) =343a(5) =14a(6) =2401a(7) =147a(8) =1a(9) =16807a(10) =1372a(11) =21a(12) =117649a(13) =12005a(14) =294a(15) =1a(16) =823543a(17) =100842a(18) =3430a(19) =28a(20) =5764801a(21) =823543a(22) =36015a(23) =490a(24) =1a(25) =40353607a(26) =6588344a(27) =352947a(28) =6860a(29) =35
External references
- oeis: A317014