Triangle, T(n, k) = Sum_{j=0..k} (-1)^j*(n+k)!/((n-j)!*(k -j)!*j!) + Sum_{j=0..n-k} (-1)^j*(2*n-k)!/((n-j)!*(n-k-j)!*j!), read by rows.
A176093
Triangle, T(n, k) = Sum_{j=0..k} (-1)^j*(n+k)!/((n-j)!*(k -j)!*j!) + Sum_{j=0..n-k} (-1)^j*(2*n-k)!/((n-j)!*(n-k-j)!*j!), read by rows.
Terms
- a(0) =2a(1) =1a(2) =1a(3) =-5a(4) =-6a(5) =-5a(6) =81a(7) =2a(8) =2a(9) =81a(10) =-1049a(11) =20a(12) =150a(13) =20a(14) =-1049a(15) =14113a(16) =-2418a(17) =-553a(18) =-553a(19) =-2418a(20) =14113a(21) =-170939a(22) =69727a(23) =8302a(24) =-7896a(25) =8302a(26) =69727a(27) =-170939a(28) =700129a(29) =-1872204
External references
- oeis: A176093