109051904

Appears in sequences

• a(n) = 13*2^n.at n=23A005029
• Composites of form prime+1 containing a record number of prime factors.at n=18A066617
• Number of permutations of {1,2,...,n} that result in a binary search tree (when elements of the permutation are inserted in that order) of height n-1 (i.e., the second largest possible height).at n=21A076616
• a(n) = n*2^(n-4).at n=22A079859
• a(0) = a(1) = 1; for n > 1, a(n) = (n+2)*2^(n-2).at n=24A087447
• First differences of A129952.at n=24A129953
• Denominators of the column sums of the EG1 matrix coefficients.at n=12A162442
• 3-level binary fanout graph coloring a rectangular array: number of nX1 0..6 arrays where 0..6 label nodes of a graph with edges 0,1 1,3 1,4 0,2 2,5 2,6 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=24A223417
• Row sums of A146565.at n=27A259098