33304
domain: N
Appears in sequences
- a(n) = (5*n+1)*(5*n+4).at n=36A001545
- Fibonacci sequence beginning 3, 19.at n=17A022128
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 19 ones.at n=28A031787
- Numbers whose base-8 representation has exactly 6 runs.at n=14A043628
- Sum of first n 8-almost primes.at n=21A086061
- Smallest n-aspiring number. That is, a(n) = smallest k such that s^(n)(k) is perfect but s^(n-1)(k) is not, where s(k) is the sum of the aliquot parts of k and s^(i) means iterate s i times.at n=18A099771
- The number of trisubstitution products with composition C_n H_(2n-1) X_2 Y.at n=25A159940
- Numbers n such that Bernoulli number B_{n} has denominator 1410.at n=40A272369
- Numbers of tree alignments.at n=9A287223
- Number of (binary) max-heaps on n elements from the set {0,1} containing exactly six 0's.at n=31A326507