32224

Appears in sequences

• a(n) is the concatenation of n and 7n.at n=31A009441
• a(n) = n*(7*n^2-4)/3.at n=24A063521
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (-1, 1, 0), (0, 0, 1), (1, 0, -1)}.at n=11A148285
• Number of nondecreasing sequences of 5 1..n integers with no element dividing the sequence sum.at n=21A212872
• Number of (n+3) X 5 0..2 matrices with each 4 X 4 subblock idempotent.at n=12A224722
• G.f.: 1 / G(0), where G(k) = 1 - q^(k+1) / (1 - q^(k+1)/G(k+2) ).at n=15A226729
• Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers.at n=37A270303
• Number of minimal dominating sets in the n-Andrásfai graph.at n=17A286879
• Numbers k such that A353802(k) / sigma(sigma(k)) is an integer > 1, where A353802(n) = Product_{p^e||n} sigma(sigma(p^e)).at n=19A353807