28977

Appears in sequences

• Harmonic Molien series for Conway group Con.0.at n=43A008924
• [ (4th elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {first n+3 primes}.at n=17A024456
• Number of anisohedral polyominoes with n cells.at n=24A075206
• a(n) = (1/6)*(n+1)*(10*n^2 + 17*n + 12).at n=25A102296
• 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, 0), (1, -1, 0), (1, 1, -1), (1, 1, 1)}.at n=8A149744
• Number of n X 6 binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=3A228681
• T(n,k)=Number of nXk binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=39A228683
• Number of 4 X n binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=5A228685
• 4-step Fibonacci sequence starting with 0, 1, 1, 1.at n=18A251655
• Number of length n+2 0..2 arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=7A252171
• T(n,k)=Number of length n+2 0..k arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=43A252177