36445

Appears in sequences

• a(0)=1, a(1)=2 and, for n>1, a(n) = a(n-1) + 11*a(n-2).at n=8A063092
• The Wiener index of the comb-shaped graph |_|_|...|_| with 2n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.at n=36A192023
• Number of (n+3) X 7 0..2 matrices with each 4 X 4 subblock idempotent.at n=12A224724
• Number of 2 X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=14A279978
• Number of rooted thrice-partitions of n.at n=15A301706