34690

Appears in sequences

• Self-convolution of Fibonacci numbers.at n=19A001629
• Number of immersions of the oriented circle into the oriented plane with n double points and index n-1.at n=9A008984
• Triangle read by rows: row n gives coefficients of expansion of q-reduced tangent number d_{n}(q) in powers of q.at n=31A143195
• Triangle read by rows: row n gives coefficients of expansion of q-reduced tangent number d_{n}(q) in powers of q.at n=36A143195
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, 1), (1, 0, -1), (1, 0, 1)}.at n=8A150443
• Number of n X 2 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=9A281199
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.at n=53A367297