70850

Appears in sequences

• n*(n-1)*(n^2-n+4)/6.at n=26A103290
• 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), (-1, 0, 1), (0, 0, -1), (1, 1, 0)}.at n=10A149128
• Numbers which are the sum of two squared primes in exactly four ways (ignoring order).at n=20A226599
• Number of initially rising meander words, where each letter of the cyclic n-ary alphabet occurs three times.at n=13A240954
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 793", based on the 5-celled von Neumann neighborhood.at n=41A273566
• a(n) = (n^2 + 1) * (2*n - 1).at n=32A290631