326656

Appears in sequences

• 6-dimensional centered tetrahedral numbers.at n=17A008500
• Number of degree-n even permutations of order dividing 8.at n=10A061131
• 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), (-1, 0, 1), (0, 0, -1), (1, 1, 0), (1, 1, 1)}.at n=9A150955
• a(n) = 4^(floor(n/2))+4^(floor(n/2)-1)-4^(floor((n-1)/3)).at n=16A170833
• Numbers that are both dodecagonal and centered heptagonal.at n=2A279946
• a(n) is the smallest n-gonal number with exactly n prime factors (counted with multiplicity).at n=10A358863