31734

Appears in sequences

• Numbers k such that 11*2^k - 1 is prime.at n=14A001772
• Sum of first prime(n) primes.at n=29A022094
• Number of partitions of n that do not contain 10 as a part.at n=40A027344
• Numbers k such that the decimal part of k^(1/10) starts with a 'nine digits' anagram.at n=11A034285
• a(n) = n*(2*n+5)*(2*n+7).at n=18A035329
• Trajectory of 3 under map n->13n+1 if n odd, n->n/2 if n even.at n=29A037104
• Structured heptagonal diamond numbers (vertex structure 5).at n=26A100179
• Number of n-step three-sided prudent self-avoiding walks ending at the northwest corner of their box.at n=12A191828
• E.g.f.: A(x,y) = exp(y)*P(x) - Q(x,y), where P(x) = 1/Product_{n>=1} (1 - x^n/n) and Q(x,y) = Sum_{n>=1} y^n / Product_{k=1..n} (k - x^k).at n=60A249480
• Terms of A007504 divisible by 3.at n=36A249679
• The sum S of the maximum number of consecutive primes starting with 2 such that S <= prime(n)^2.at n=40A346134