38619

Appears in sequences

• a(n) = Sum_{k=0..n} C(n,k)*2^(k*(k+1)/2).at n=5A006898
• Numbers whose base-14 representation has exactly 5 runs.at n=6A043666
• Expansion of 1/(x^k*(1-x-2*x^(k+1))) for k=8.at n=39A143451
• 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), (-1, 1, 0), (1, 0, 0)}.at n=12A148051
• Number of partitions of n unlabeled objects of 9 colors.at n=5A270242
• a(n) = Sum_{j=1..n} Sum_{k=1..n} phi(2*j*k) / phi(k).at n=38A372664