37179

Appears in sequences

• a(n) = (2*n - 3)n^2.at n=27A015238
• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=9A046321
• Obtainable by applying +, * and exponentiation to its own digits.at n=34A046469
• Numbers n such that n | 11^n + 10^n + 9^n + 8^n + 7^n + 6^n.at n=30A057258
• Numbers n such that n | 6^n + 5^n + 1.at n=22A057299
• Numbers k such that Sum_{i=1..k} gcd(k,i) divides Sum_{i=1..k} lcm(k,i).at n=14A072109
• Composites which use less than all of their digits in their prime factorization.at n=12A074211
• Indices of primes in sequence defined by A(0) = 97, A(n) = 10*A(n-1) - 3 for n > 0.at n=21A101013
• Least multiple of 2n-1 ending in prime(n), 0 if no such number exists.at n=40A114780
• Triangle read by rows: T(n,k) is number of hex trees with n edges and k nonroot nodes of outdegree 2.at n=21A126183
• Number of hex trees with n edges and having no nonroot nodes of outdegree 2.at n=9A126184
• a(n) = 3^n*tetranacci(n) or (2^n)*A001648(n).at n=5A127220
• Colored Motzkin paths where each of the steps has three possible colors.at n=6A132900
• Row sums of the triangle in A208101.at n=16A208976
• Row sums of A211230.at n=17A211231
• a(n) = n^7*(9*n+7)/2.at n=3A229150
• Number of ascending runs in {1,...,3}^n.at n=8A229277
• The largest prime factor of n*(n+1) equals 17. (Related to the abc conjecture.)at n=37A252492
• Number of (n+2) X (1+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A253018
• a(n) = 17*3^n.at n=7A258598