30754

Appears in sequences

• a(0) = 1, a(n) = 32*n^2 + 2 for n > 0.at n=31A010021
• a(0)=1; a(n) = sigma_2(n) + sigma_3(n).at n=31A092344
• Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^(-6).at n=34A114358
• a(-3) = a(-2) = a(-1) = 0, a(0) = 1, a(n) = a(n-1) + 2*a(n-2) + 2*a(n-3) + a(n-4), for n>0.at n=16A123392
• 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, 1), (-1, 0, 1), (0, 1, 0), (1, 0, -1), (1, 0, 1)}.at n=8A150262
• Expansion of (1 + x + x^3)/(1 - x^2 - 2*x^4 - 2*x^6 + x^8).at n=26A363958