351000
domain: N
Appears in sequences
- Triangle of generalized Stirling numbers.at n=17A061692
- Generalized Bell numbers.at n=5A061694
- Numbers with at least three 3s in their prime signature.at n=6A176359
- Number of permutations of {1,...,n} avoiding adjacent step pattern up, down, down, down, up, up.at n=9A177537
- Numbers k such that k = Sum_{i=1..j} (d_i mod d), where d_i are their aliquot parts and d is one of them.at n=27A265646
- Numbers k such that sum of digits (k) and sum of digits (k^2) is 9.at n=17A325450
- a(n) is the smallest number with exactly n divisors that are n-gonal numbers.at n=6A358539
- Numbers k such that the odd parts of k and sigma(A003961(k)) are equal, where A003961 is fully multiplicative function with a(prime(i)) = prime(i+1), and sigma is the sum of divisors function.at n=11A374464
- Numbers that have exactly three exponents in their prime factorization that are equal to 3.at n=6A386802
- Numbers k such that k divides sigma(A003961(k)), where A003961 is fully multiplicative with a(p) = nextprime(p), and sigma is the sum of divisors function.at n=43A389469