13845841

Appears in sequences

• Sum of 4th powers of primes = 1 mod 3 dividing n.at n=60A005073
• Sum of 4th powers of primes = 1 mod 4 dividing n.at n=60A005081
• a(n) = (2*n+1)^4.at n=30A016756
• a(n) = (3*n+1)^4.at n=20A016780
• a(n) = (4n+1)^4.at n=15A016816
• a(n) = (5*n + 1)^4.at n=12A016864
• a(n) = (6*n + 1)^4.at n=10A016924
• a(n) = (7*n + 5)^4.at n=8A017044
• a(n) = (8*n + 5)^4.at n=7A017128
• a(n) = (9*n + 7)^4.at n=6A017248
• a(n) = (10*n + 1)^4.at n=6A017284
• a(n) = (11*n + 6)^4.at n=5A017464
• a(n) = (12*n + 1)^4.at n=5A017536
• a(n) = prime(n)^4.at n=17A030514
• Prime powers n such that both tau(n^2) and sigma(n^2) are composite numbers.at n=32A065771
• Fourth power of primes of the form 4k+1 (A002144).at n=7A080175
• Column 2 of A112070.at n=17A112084
• a(n) = A000404(n)^4.at n=21A135786
• Lucky numbers that are pure (perfect) powers with exponent greater than 2.at n=26A139308
• Numbers of the form p^q^r, for p,q,r primes.at n=24A217709