47492

Appears in sequences

• Numbers k such that sigma(sigma(sigma(k))) == 6*sigma(k).at n=35A067065
• Let u(1)=u(2)=1, u(3)=2n, u(k) = abs(u(k-1)-u(k-2)-u(k-3)) and M(k) = Max_{i<=i<=k} u(i), then for any k >= A078109(n), M(k) = floor(sqrt(k + a(n))).at n=32A078108
• Number of espalier polycubes of a given volume in dimension 3.at n=35A229915
• Sum over each antidiagonal of A248017.at n=8A248027
• Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,1 1,0 or -1,-2.at n=3A264282
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,1 1,0 or -1,-2.at n=31A264285
• Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 or -1,-2.at n=4A264288
• Number of 3-regular bipartitions of n.at n=27A328547