184524

Appears in sequences

• Number of base 16 n-digit numbers with adjacent digits differing by two or less.at n=7A126403
• a(n) = Sum_{k <= n/2} binomial(n-2k, 3k+2).at n=24A137358
• Number of (n+1) X (1+1) arrays of permutations of 0..n*2+1 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.at n=36A264622
• Number of compositions of 5*n-4 into parts 3 and 5.at n=15A369848
• a(n) = Sum_{k=0..floor(2*n/3)} binomial(2*k,2*n-3*k).at n=19A392428