73205
domain: N
Appears in sequences
- Numbers of the form 5^i * 11^j.at n=21A003598
- Triangle of coefficients in expansion of (1+11x)^n.at n=19A013618
- Numbers k that divide s(k), where s(1)=1, s(j)=5*s(j-1)+j.at n=9A014852
- Composite numbers whose prime factors contain no digits other than 1 and 5.at n=34A036305
- Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*1^j.at n=16A038315
- Numbers k that divide 3^k + 2^k.at n=19A045576
- Numbers k that divide 7^k + 3^k.at n=40A045586
- Numbers k such that k | 10^k + 9^k + 8^k + 7^k + 6^k + 5^k + 4^k + 3^k + 2^k + 1^k.at n=27A056739
- 11th binomial transform of (0,1,0,0,0,0,0,...).at n=5A081127
- Triangle read by rows: T(n,m) = Prime[m]^n*(Prime[m] - 1)/2.at n=13A121057
- a(n) = (prime(n)^5 - prime(n)^4)/2.at n=4A138439
- a(n) = ((n-th prime)^6-(n-th prime)^4)/24.at n=4A138458
- Triangle, read by rows, where T(n,k) = k!*C(n, k)*11^(n-k) for n>=0, k=0..n.at n=16A218018
- Numbers n such that the n-th cyclotomic polynomial has a root mod 11.at n=18A245480
- a(n) = n*(n + 11)*(n + 22)*(n + 33)/24.at n=22A264448
- a(n) = 5*n^4.at n=11A269792
- Number of permutations of n elements divided by the number of 10-ary heaps on n+1 elements.at n=54A273738
- Numbers k with property that k is the least logarithmically smooth numbers (meaning largest prime factor of k is less than log(k)) having squarefree kernel equal to squarefree kernel of k.at n=29A333961
- Least Matula-Goebel number of a rooted tree with n internal (non-leaf) nodes.at n=15A358554
- a(n) is the smallest number k in the sorted sequence S(q) = {k : rad(k) = q}, q = A120944(n), such that tau(k) - A008479(k) is not positive, where rad = A007947 and tau = A000005.at n=16A373737