49414
domain: N
Appears in sequences
- M-sequences from multicomplexes on 4 variables with all monomials of degree 9 but none of degree larger than n.at n=11A011817
- a(n) = 6*binomial(n,4) + 3*binomial(n,3) + 4*binomial(n,2) - n + 2.at n=21A066375
- Upper bound on number of regular triangulations of cyclic polytope C(n, n-4).at n=43A066456
- Largest k such that round(1/(sqrt(prime(k+1))-sqrt(prime(k)))) = n where prime(n) denotes the n-th prime (conjectured values).at n=15A078693
- Numbers where A080374 increases.at n=22A080376
- Sum of the n smallest numbers having the sum of their digits equal to n.at n=24A081928
- a(n) = n * [1 + sum(k=1 to n-1) prime(k)].at n=31A083719
- Values of k that show the slow decrease in the larger values of the Andrica function Af(k) = sqrt(p(k+1)) - sqrt(p(k)), where p(k) denotes the k-th prime.at n=18A084976
- Greatest k for which the Andrica-like conjectural inequalities, prime(k+1)-prime(k)-(1/n)*sqrt(prime(k)) < 0, appear to fail, based on empirical evidence.at n=7A161623
- Centered triangular numbers which are products of three distinct primes.at n=25A359624
- a(n) is the least k such that there are exactly n integers between (1/6)*prime(k) and (1/6)*prime(k+1).at n=16A390787