28300
domain: N
Appears in sequences
- Numbers k such that 1000k+1, 1000k+3, 1000k+7, 1000k+9 are all primes.at n=14A064962
- Number of positive integers <= 10^n that are divisible by no prime exceeding 5.at n=25A106598
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 8 and 9.at n=8A136896
- Number of n X 2 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=11A279162
- Numbers k such that Bernoulli number B_{k} has denominator 33330.at n=6A295589
- Number of non-isomorphic multiset partitions of weight n whose part-sizes have a common divisor > 1.at n=11A320810
- a(n) is the number of triangular partitions whose Young diagram fits inside a square of side n.at n=31A368638
- Triangle read by rows: T(n,k) = A003415(A002110(n)+A002110(k)), 0 <= k <= n; arithmetic derivatives of the sums of two primorial numbers.at n=36A370129
- a(n) = A003415(A276085(n)), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.at n=45A373842
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A213108.at n=60A384801