34225
domain: N
Appears in sequences
- a(n) = (5*n)^2.at n=37A016850
- a(n) = (6*n + 5)^2.at n=30A016970
- a(n) = (7*n + 3)^2.at n=26A017018
- a(n) = (8*n + 1)^2.at n=23A017078
- a(n) = (9*n + 5)^2.at n=20A017222
- a(n) = (10*n + 5)^2.at n=18A017330
- a(n) = (11*n + 9)^2.at n=16A017498
- a(n) = (12*n + 5)^2.at n=15A017582
- Squares with initial digit '3'.at n=23A045786
- sigma(n)-n is a perfect square associated with A049226.at n=23A049228
- Denominator of 1/25 - 1/n^2.at n=32A061044
- Numbers k such that tau(k) - tau(k+1) = 1.at n=31A068208
- Squares of odd semiprimes A046315, odd numbers divisible by exactly 2 primes (counted with multiplicity).at n=35A075730
- Numbers n that are the hypotenuse of exactly 12 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 12 ways.at n=12A097226
- Squares of the form n+prime(n).at n=22A104992
- Perfect powers which have the form prime(n) + n for some n.at n=27A107606
- Left truncatable squares, ending in 5.at n=12A117246
- Squares in A064491.at n=8A140483
- Square numbers s such that all the digits needed to write the consecutive square numbers from 0 to s fill exactly a square (no holes, no overlaps).at n=9A158028
- a(n) = (6*n-1)^2.at n=31A174371