152633

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=7.at n=22A022312
• 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, 0, 1), (0, 0, 1), (0, 1, -1), (0, 1, 1), (1, -1, 0)}.at n=9A150475
• Numbers n such that there is k < n for which A003557(k) = A003557(n), A048250(k) = A048250(n) and A173557(k) = A173557(n).at n=33A296087