24436

Appears in sequences

• a(n) = Lucas(n+4) - 2*(n+3).at n=17A027181
• Open 3-dimensional ball numbers (version 3): a(n) is the number of integer points (i,j,k) contained in an open ball of diameter n, centered at (1/2,1/2,0).at n=36A053595
• Satisfies a(n)/A079159(n) = p_n, the n-th prime (n>0), a(0)=1.at n=35A079161
• G.f. sum{k>=0, (x^2/(1-x)^3)^(2^k-1)}.at n=15A119971
• The 240-degree spoke (or ray) of a hexagonal spiral of Ulam.at n=45A244805
• Number of maximal cubefree binary words of length n.at n=34A282133
• Number of permutations of [n] with a strongly unimodal cycle size list.at n=8A286077
• Numbers that are the sum of seven fourth powers in seven or more ways.at n=19A345573
• Numbers that are the sum of seven fourth powers in exactly seven ways.at n=11A345829
• Sorted positions of first appearances in A368109 (number of ways to choose a binary index of each binary index).at n=42A368112