378624domain: NAppears in sequencesNumbers n such that sigma(n) = sigma(n+1) + sigma(n+2).at n=0A226361Numbers k = concat(s,t) such that k = (Fibonacci(s) mod k) * (Fibonacci(t) mod k).at n=33A272770Maximum number of copies of a 12345 permutation pattern in an alternating (or zig-zag) permutation of length n + 7.at n=30A339355