63862

Appears in sequences

• Number of monosubstituted alkanes C(n)H(2n+1)-X of the form shown in the Comments lines that are not stereoisomers.at n=24A000624
• Maximal number of regions into which 4-space can be divided by n hyperspheres.at n=31A059173
• a(n) = Sum_{k <= n/2} binomial(n-2k, 3k+2).at n=22A137358
• Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=7A235083
• 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=33A264622
• Indices of records in A347113.at n=38A347308
• Number of compositions of 5*n into parts 3 and 5.at n=14A369845