63488

Appears in sequences

• Number of self-complementary Boolean functions of n variables, up to equivalence under the group (C_2)^n of all 2^n complementations of variables.at n=4A001320
• Number of quaternary codes of length 3 with n words.at n=8A034234
• Number of quaternary codes (not necessarily linear) of length n with 8 words.at n=2A034245
• Number of possible rook moves on an n X n chessboard.at n=31A035006
• First gap of n in sequence A038593 (lower terms).at n=22A038661
• Numbers n such that A048767(n) = n.at n=37A048768
• a(n) = n^3 + (n + 1)^4 + (n + 2)^5.at n=7A061223
• Symmetric square array, read by antidiagonals: T(k, k) = T(0, k + 1) = Sum_{m = 0..k} C(k, m)*T(m, k - m) for k >= 0; T(0, 0) = 1; T(n, k) = T(n - 1, k) + T(n, k - 1) for n, k >= 1.at n=36A085484
• Symmetric square array, read by antidiagonals: T(k, k) = T(0, k + 1) = Sum_{m = 0..k} C(k, m)*T(m, k - m) for k >= 0; T(0, 0) = 1; T(n, k) = T(n - 1, k) + T(n, k - 1) for n, k >= 1.at n=44A085484
• First row of symmetric square table A085484, in which the main diagonal is equal to the first row shift left.at n=8A085485
• E.g.f.: Sum_{n>=0} tanh(2^n*x)^n/n!.at n=4A168402
• E.g.f.: Sum_{n>=0} arctan(2^n*x)^n/n!.at n=4A168406
• a(n) = 4^n - n*2^n.at n=8A186947
• Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10.at n=20A195069
• Determinant of the n-th principal submatrix of A204237.at n=6A204238
• Bit reversed 16-bit numbers.at n=31A217589
• Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nX4 array.at n=3A222383
• T(n,k)=Sum of neighbor maps: number of nXk binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nXk array.at n=24A222386
• Sum of neighbor maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 4Xn array.at n=3A222389
• Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and antidiagonal neighbors in a random 0..3 nX4 array.at n=3A222932