27788

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, 1), (0, 1, -1), (0, 1, 0), (1, 0, -1), (1, 0, 1)}.at n=8A150223
• a(n) = A306912(n) - 2.at n=29A209489
• Total number of parts of multiplicity 8 in all partitions of n.at n=46A222708
• Numbers that set a new integer record for the ratio between the product and the sum of their digits.at n=30A240520
• Convolution of A006068 (inverse of Gray code) with itself: a(n) = Sum_{k=1..n+1} A006068(k) * A006068(1+n-k).at n=48A268721
• Number of normal patterns matched by integer partitions of n.at n=22A335837
• G.f. A(x) satisfies A(x) = 1/(1 - x*A(x) - x^3*A''(x)).at n=6A385762