61290

Appears in sequences

• The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!).at n=26A143943
• Number of -n..n arrays x(0..4) of 5 elements with zero sum and nonzero first and second differences.at n=8A200457
• Subsequence of lesser of 2 terms of A095301 that are 2 apart.at n=18A248083
• Expansion of Product_{k>=1} (1 - x^(10*k))/(1 - x^k).at n=44A261776
• Number of integer partitions of n with no adjacent parts having quotient > 2.at n=49A342094
• G.f. A(x) satisfies: 1/(1 - x) = Sum_{n>=1} (-1)^(n-1) * A(x)^(n^2).at n=14A354651
• Numbers k such that sigma(k) = psi(k) + tau(k) + omega(k)^7.at n=5A392385