167042
domain: N
Appears in sequences
- Numbers k that divide 8^k + 2^k.at n=41A045581
- Numbers k that divide 5^k + 3^k.at n=7A045585
- Numbers k that divide 10^k + 6^k.at n=27A045603
- a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = 1 and a(3) = 3.at n=20A049895
- Sum of two powers of 17.at n=14A073213
- Composites which use less than all of their digits in their prime factorization.at n=24A074211
- Numbers k that divide 3^(k^3) + 1.at n=9A092408
- a(n) = 2*prime(n)^4.at n=6A172191
- Numbers the sum of whose even divisors is 2 times a prime.at n=21A195334
- Numbers such that the difference between the sum of the even divisors and the sum of the odd divisors is prime.at n=23A195382
- Number of (w,x,y,z) with all terms in {1,...,n} and |w-x| >= w + |y-z|.at n=34A212714
- Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<2*min{w,x,y,z}.at n=34A212740
- Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<=2*min{w,x,y,z}.at n=33A212742
- Number of (w,x,y,z) with all terms in {0,...,n} and w, x, and y even.at n=33A212759
- Number of (w,x,y,z) with all terms in {0,...,n}, w odd, x and y even.at n=33A212761
- Number of (w,x,y,z) with all terms in {0,...,n}, w and x odd, y even.at n=33A212762
- Number of (w,x,y,z) with all terms in {0,...,n}, and w, x and y odd.at n=33A212763
- a(n) = n^4/8 if n is even, a(n) = (n^2-1)^2/8 if n is odd.at n=34A212892
- a(n) = 2*n^4.at n=17A244730
- Numbers n such that n^3 = a^2 + b^2 and a^3 + b^3 is a square, for some positive integers a and b.at n=25A257965