268128

Appears in sequences

• a(0)=1, a(n) = sigma_3(2n).at n=31A091986
• a(n) = sigma_3(3n+2).at n=20A092343
• Number of permutations of 5 indistinguishable copies of 1..n arranged in a circle with exactly 5 adjacent element pairs in decreasing order.at n=2A151606
• a(n) = 6*n^2*(2*n + 1).at n=28A190705
• Sum of even divisors of !n.at n=9A195209
• a(n) is the least number k such that A349497(k) = n, or -1 if no such k exists.at n=30A349498