99133

Properties

Appears in sequences

• a(n) = Sum_{k=0..n} p(k) where p(k) = number of partitions of k (A000041).at n=36A000070
• Start with 1 and repeatedly reverse the digits and add 66 to get the next term.at n=11A118200
• Integers k such that the k-th triangular number t_k has all its base-12 digits contained in {1,5,7,11}.at n=15A118711
• Primes p of Erdos-Selfridge class 5+ with largest prime factor of p+1 not of class 4+.at n=28A129473
• Primes of the form 7n^2 + 6.at n=17A201607
• Numbers k such that 7*10^k + 69 is prime.at n=22A294484
• Prime numbersat n=9518