73944

Appears in sequences

• a(n) = Sum_{j=1..n} j*prime(j).at n=37A014285
• a(n) = A077708(n+1)/A077708(n).at n=25A077709
• Construct triangle in which n-th row is obtained by expanding (1+x+x^3)^n and take the next-to-central column.at n=13A127905
• Floor(1/{(9+n^4)^(1/4)}), where {} = fractional part.at n=54A184633
• Numerator of the barycenter of first n primes defined as a(n) = numerator(Sum_{i=1..n} (i*prime(i)) / Sum_{i=1..n} prime(i)).at n=37A306834