50838

Appears in sequences

• Let R be the polynomial ring GF(2)[x]. Then a(n) = number of distinct products f*g with f,g in R and 0 <= deg(f),deg(g) <= n.at n=7A086908
• 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, 0, 1), (0, 0, 1), (1, -1, 1), (1, 0, -1), (1, 1, 0)}.at n=8A150653
• Number of n X 1 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=14A279865
• Expansion of 1/(1 + x/(1 + x/(1 + x^2/(1 + x/(1 + x^3/(1 + x/(1 + x^4/(1 + ...)))))))), a continued fraction.at n=21A296202
• Number of monohedral disk tilings of type C^t_{3,n}.at n=31A296361