39296
domain: N
Appears in sequences
- arctanh(arctanh(x)*tan(x))=2/2!*x^2+16/4!*x^4+560/6!*x^6+39296/8!*x^8...at n=4A012726
- Coefficients of characteristic polynomials of Hadamard Cartan F_2 self-similar 2^n matrices:M={{2, -1}, {-2, 2}}.at n=13A173820
- Number of permutations of {1,...,n} avoiding adjacent step pattern up, down, up, down, down, down.at n=8A177542
- Number of (n+1) X (3+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=12A235949
- a(n) = n^3 - 8.at n=34A259348
- Square array read by antidiagonals: T(m,n) = the number of tight m X n pavings (defined below).at n=47A285357
- Square array read by antidiagonals: T(m,n) = the number of tight m X n pavings (defined below).at n=52A285357
- The number of tight 3 X n pavings.at n=8A285361
- Number of tight m X n pavings as defined in Knuth's A285357 written as triangle T(m,n), m >= 1, 1 <= n <= m.at n=30A298362
- Number of integer partitions of n whose run-lengths are either weakly increasing or weakly decreasing.at n=46A332745