83100

Appears in sequences

• Narayana-Zidek-Capell numbers: a(n) = 1 for n <= 2. Otherwise a(2n) = 2a(2n-1), a(2n+1) = 2a(2n) - a(n).at n=19A002083
• a(n) = (n^4 + n^2 + 2*n)/4.at n=24A006528
• Number of solutions to c(0)F(0) + ... + c(n)F(n) = 0, where c(i) = +-1 for i >= 0, number of (+1)'s >= number of (-1)'s, F(i) = A000045(i) = Fibonacci numbers.at n=47A058301
• Mutually-praising pairs excluding autobiographical numbers A138480. Version 2: numbers may have more than 10 digits.at n=17A138482
• Number of permutations of 6..n+5 with no element greater than or equal to the sum of its neighbors.at n=8A180894
• a(n) is the number of permutations avoiding 231 and 312 realizable on increasing strict binary trees with 2n-1 nodes.at n=9A245904
• Number of set partitions of [n] into blocks with distinct element sums.at n=10A275780