Triangle read by rows. T(n, k) = [x^k] P(n, x), where P(n, x) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} (x^j * binomial(k, j) * ((2 - (n mod 2)) * j + 1)^n).

A363400

Triangle read by rows. T(n, k) = [x^k] P(n, x), where P(n, x) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} (x^j * binomial(k, j) * ((2 - (n mod 2)) * j + 1)^n).

Terms

    a(0) =1a(1) =3a(2) =2a(3) =7a(4) =36a(5) =25a(6) =15a(7) =88a(8) =135a(9) =64a(10) =31a(11) =2106a(12) =10000a(13) =14406a(14) =6561a(15) =63a(16) =1824a(17) =10206a(18) =22528a(19) =21875a(20) =7776a(21) =127a(22) =87480a(23) =1546875a(24) =7529536a(25) =15411789a(26) =14172488a(27) =4826809a(28) =255a(29) =31616

External references