190991

Appears in sequences

• Strong pseudoprimes to base 95.at n=32A020321
• Structured disdyakis dodecahedral numbers (vertex structure 9).at n=30A100161
• Concatenation of first 3 digits and last 3 digits of n-th Mersenne prime A000668(n).at n=18A138866
• Integers n such that for all i > n the largest prime factor of i(i+1)(i+2)(i+3)(i+4) exceeds the largest prime factor of n(n+1)(n+2)(n+3)(n+4).at n=17A193946
• Odd heptagonal pyramidal numbers.at n=15A218324
• Number of rooted trees with n nodes such that no more than three isomorphic subtrees extend from the same node.at n=16A318850