20940

Appears in sequences

• Records in A065925.at n=25A065927
• Numerator of Euler(n, 5/17).at n=4A156545
• Number of binary strings of length n with equal numbers of 0010 and 1011 substrings.at n=16A164171
• Numbers such that n^2 = 29 mod 1193.at n=35A165989
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=w+|y-z|.at n=40A212685
• Poly-Cauchy numbers of the second kind -hat c_5^(-n).at n=3A223908
• Sum of the squared parts of the partitions of n into exactly two parts.at n=39A226141
• Numbers k with the property that p = k^2 - 11 and q = k^2 + 11 are consecutive primes.at n=31A248790
• Numbers which divide the concatenation, in ascending order, of their anti-divisors.at n=25A249764
• T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 5.at n=17A264659
• Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 5.at n=3A264661
• Numbers k such that (82*10^k + 449)/9 is prime.at n=20A282809
• Numbers that are not Keith numbers in any base.at n=28A320122
• Array read by ascending antidiagonals: A(n, k) is the number of (n, k)-poly-Cauchy permutations.at n=49A344639
• Partial sums of A071619.at n=45A358042
• Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of e.g.f. Sum_{j>=0} (j+1)^k * (-log(1-x))^j / j!.at n=50A383064
• Triangle read by rows: T(n,k) is the number of 3-dimensional balanced ballot paths of 3n steps such that the height is exactly k, 2 <= k <= 2*n.at n=30A387912