25371

Appears in sequences

• Numbers k such that 245*2^k+1 is prime.at n=26A032499
• a(n) is the smallest number such that a(n)*n is an anagram of a(n)*5.at n=21A175694
• Total sum of parts of multiplicity 8 in all partitions of n.at n=43A222736
• a(1) = least k such that 1 + 1/2 < H(k) - H(2); a(2) = least k such that H(a(1)) - 1/2 < H(k) -H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number.at n=5A227965
• Indices n for which the partial sums of sin(k) (0 <= k <= n) reach a new minimum.at n=42A322288