467860

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 4.at n=25A022318
• Numbers k that have 13 terms in their Zeckendorf representation.at n=27A179253
• Signed recurrence over strict trees: a(n) = -1 + Sum_{y1 + ... + yk = n, y1 > ... > yk > 0, k > 1} a(y1) * ... * a(yk).at n=33A300864
• Even numbers k such that the sum of divisors of k in Gaussian integers is a real number.at n=18A332532