29574

Appears in sequences

• a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = (1, p(1), p(2), ...).at n=33A024479
• a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...).at n=32A025099
• Numbers m such that 2*phi(m) = phi(m+1).at n=27A050472
• Site series for second perpendicular moment of Kagome lattice.at n=14A120552
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (0, -1), (0, 1), (1, -1), (1, 0)}.at n=9A151472
• Numbers k such that lambda(k) = lambda(k+1).at n=25A173695
• Expansion of a q-series used by Ramanujan in his Lost Notebook.at n=33A279715