32138

Appears in sequences

• Number of partitions of n into parts not of the form 21k, 21k+10 or 21k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 9 are greater than 1.at n=41A035988
• Numbers n such that prime(k)*n+prime(k+1), for k=1,...,6 all are primes.at n=4A108110
• a(n) is the number of quintuples (a_1,a_2,a_3,a_4,a_5) having all terms in {1,...,n} such that there exists a pentagon with these side-lengths.at n=8A346637
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=52A386477