34116
domain: N
Appears in sequences
- Numbers which are the sum of their proper divisors containing the digit 8.at n=22A059467
- Convolution of Fibonacci F(n+1), n>=0, with F(n+9), n>=0.at n=10A067977
- Numbers k for which there are no prime numbers in the range (k-4*sqrt(sqrt(k)), k].at n=33A192320
- Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (8,n)-rectangular grid with k '1's and (8n-k) '0's: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=33A228167
- Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (8,n)-rectangular grid with k '1's and (8n-k) '0's: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=45A228167
- Pascal-like triangle, where each entry is the sum of the four entries above it starting with 1 at the top.at n=59A356692
- Pascal-like triangle, where each entry is the sum of the four entries above it starting with 1 at the top.at n=61A356692
- a(n) = (1/phi(n)) * Sum_{j=1..n} Sum_{k=1..n} phi(n*j*k).at n=19A372668