50414

Appears in sequences

• Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's.at n=35A025503
• Values of n for which pi_{4,3}(p_n) - pi_{4,1}(p_n) = -1, where p_n is the n-th prime and pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).at n=5A051024
• Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1.at n=14A096628
• Numbers whose set of base 15 digits is {0,E}, where E base 15 = 14 base 10.at n=13A097261
• Number of partitions of (2, n) into a sum of distinct pairs.at n=42A268345
• Numbers k such that (7*10^k - 151)/9 is prime.at n=20A293033
• a(n) = index where A088568 (or equally A294448) first reaches or exceeds n in magnitude.at n=35A294449
• Number of aperiodic rooted trees on n nodes with locally distinct multiplicities.at n=20A316795