1185665
domain: N
Appears in sequences
- a(n) is the product of the first n primes congruent to 1 (mod 4).at n=4A006278
- Numbers of the form q1^b1 * q2^b2 * q3^b3 * q4^b4 * q5^b5 * ... where q1=5, q2=13, q3=17, q4=29, q5=37, ... (A002144) and b1 >= b2 >= b3 >= b4 >= b5 >= ....at n=31A054994
- Lowest numbers which are d-Pythagorean decomposable, i.e., square is expressible as sum of two positive squares in more ways than for any smaller number.at n=11A088959
- Table read by antidiagonals of least integer "mod 4 prime signatures" k ordered by number of primitive Pythagorean triples with hypotenuse = k.at n=20A097754
- RMS values of the Primitive RMS numbers: a(n) is the Root Mean Square of the divisors of A141813(n).at n=27A141814
- RMS values of the Primitive RMS numbers: a(n) is the Root Mean Square of the divisors of A141813(n).at n=28A141814
- RMS values of the Primitive RMS numbers: a(n) is the Root Mean Square of the divisors of A141813(n).at n=33A141814
- RMS values of the RMS numbers with non-unique RMS values: a(n) is the Root Mean Square of the divisors of A141815(n).at n=8A141816
- RMS values of the RMS numbers with non-unique RMS values: a(n) is the Root Mean Square of the divisors of A141815(n).at n=9A141816
- RMS values of the RMS numbers with non-unique RMS values: a(n) is the Root Mean Square of the divisors of A141815(n).at n=10A141816