260642

Appears in sequences

• Numbers n such that n | 8^n + 7^n + 1.at n=10A057297
• Sum of two powers of 19.at n=14A073214
• Terms m of A003337 such that m+1 is also in A003337. I.e., smaller one of two consecutive numbers, both equal to a sum of three 4th powers.at n=24A085322
• a(n) = 2*prime(n)^4.at n=7A172191
• a(n) = Sum_{k=0..n} G(n)/(G(k)*G(n-k)) where G(n) = Product_{k=0..n} k!.at n=6A193520
• a(n) = n^4/8 if n is even, a(n) = (n^2-1)^2/8 if n is odd.at n=38A212892
• Numbers k that divide 5^k + 3^k + 2^k.at n=20A220170
• a(n) = 2*n^4.at n=19A244730
• 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=29A257965
• Numbers with 5 odd divisors.at n=40A267696
• a(n) = Sum_{d|n} max(d, n/d)^4.at n=18A297843
• Terms of A330606 which are not squares or powers of 2.at n=6A330650
• Numbers n that can be written as both the sum of two nonzero fourth powers and the sum of three nonzero fourth powers.at n=3A336536
• a(n) = n^4*tau(n).at n=18A386013