19946
domain: N
Appears in sequences
- Numbers that are the sum of 11 positive 8th powers.at n=34A003389
- Numbers k such that the continued fraction for sqrt(k) has period 59.at n=29A020398
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 11.at n=21A031599
- McKay-Thompson series of class 18E for Monster.at n=21A058535
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={2,4}.at n=18A079959
- a(1) = 2; for n>1, a(n) is the smallest integer > a(n-1) such that all primes <= a(n-1) divide at least one integer k for a(n-1) < k <= a(n).at n=15A113117
- a(1) = 2. a(n) is smallest integer > a(n-1) which is a multiple of the largest prime <= a(n-1).at n=15A113118
- Integer part of Gauss's Arithmetic-Geometric Mean M(2,n^5).at n=10A127766
- McKay-Thompson series of class 18E for the Monster group with a(0) = 3.at n=21A128517
- G.f. A(x) satisfies: 1 = Sum_{n>=0} (A(x)^n - x)^n.at n=10A305136
- Expansion of Product_{k>0} theta_3(q^k), where theta_3() is the Jacobi theta function.at n=32A320067
- Partition the natural numbers by letting a(1)=1 (denoting the set {1}) and for n>1 define a(n) to be the least integer such that the product of the set of integers {a(n-1)+1,...,a(n)} is an integer multiple of the previous partition's product.at n=15A381901