67734

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 0, -1), (0, 1, 1), (1, -1, -1)}.at n=12A148064
• a(n) is the smallest magic sum of any 3 X 3 magic square which contains exactly n triangular numbers.at n=7A268854
• Numbers k whose trajectory under the Reverse and Add! operation carried out in base 16 does not reach a palindrome and (presumably) does not join the trajectory of any term m < k.at n=38A344119