33483

Appears in sequences

• Number of subsets of {1,...,n} containing n and having at least one set partition into 4 blocks with equal element sum.at n=12A248113
• Least integer k > 1 such that pi(k)^2 + pi(k*n)^2 is a square, where pi(.) is the prime-counting function given by A000720.at n=43A255677
• a(n) = 75*(2^n - 1) - 4*n^3 - 18*n^2 - 52*n.at n=8A257449
• A382168 with duplicates removed.at n=42A382169