212220

Appears in sequences

• Number of n-step up-side self-avoiding walks on the lattice strip {0,1,2,3} x Z (up-side means that the walks move up and sideways but not down).at n=17A171858
• a(n) is the smallest number which can be represented as the sum of n distinct positive cubes in exactly n ways, or 0 if no such number exists.at n=26A350270
• Number of ways to write n as an ordered sum of ten positive Fibonacci numbers (with a single type of 1).at n=17A357730