25302

Appears in sequences

• Fibonacci numbers written in base 8.at n=21A004691
• Number of partitions of n into parts not of the form 21k, 21k+4 or 21k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 9 are greater than 1.at n=41A035982
• 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, 0), (0, 1, -1), (0, 1, 0), (1, -1, 0)}.at n=11A148133
• Triangle of coefficients of polynomials u(n,x) jointly generated with A209774; see the Formula section.at n=51A209773
• a(n) = floor(8^n/(1+2*sin(6*Pi/13)/(2*sin(Pi/13)))^n).at n=23A240841
• Number of n X 3 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nondecreasing.at n=15A266357
• a(n) = 27*n^2 - 21*n + 6 (n>=1).at n=30A304164