45380
domain: N
Appears in sequences
- a(n) = floor(n*phi^20), where phi is the golden ratio, A001622.at n=3A004935
- Numbers k such that (k / sum of digits of k) and (k+1 / sum of digits of k+1) are both prime.at n=35A085775
- a(0)=1. a(n) = a(n-1)*(n+1), if n is in the sequence. a(n)= a(n-1) +1, if n is missing from the sequence.at n=29A118471
- Numbers that have 11 terms in their Zeckendorf representation.at n=3A179251
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 169", based on the 5-celled von Neumann neighborhood.at n=7A270462
- The sum of the numbers inside the squares of incrementing size n x n when the square spiral is tiled with these squares, where each tile contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one tile.at n=9A341160