122522399

Appears in sequences

• a(n) = -1 + Product_{k=1..n} Fibonacci(k).at n=9A103815
• Numbers k where records occur for sigma(k+1)/sigma(k), where sigma(k) is the sum of divisors of k (A000203).at n=29A335067
• Numbers k such that, via a residue based measure M(k) (see Comments), k is deficient, k+1 is abundant, and abs(M(k)) + abs(M(k+1)) reaches a new maximum.at n=36A362083