139016

Appears in sequences

• a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026747.at n=7A027225
• Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having directed index change 1,1 2,2 -1,0 or 0,-1.at n=16A264649
• Numbers k such that k divides the sum of digits in primorial base of all numbers from 1 to k.at n=41A333703