86802

Appears in sequences

• Number of n-node rooted trees of height 8.at n=16A000429
• a(n) = floor( n*(n-1)*(n-2)*(n-3)/28 ).at n=41A011938
• Number of (2n+1)-node rooted trees of height n.at n=8A245103
• Numbers k such that (89*10^k - 539)/9 is prime.at n=21A294913
• Index at which n first appears in A307720.at n=34A307630