239121

Appears in sequences

• Squares the sum of the squares of whose digits are squares.at n=24A061090
• a(1)=0, a(2)=9; then distinct squares such that the sum of three successive terms is a square.at n=15A075373
• Numbers n such that n divides 2^n^2 + 1.at n=39A093546
• Squares nearest to and > terms in A098562.at n=3A140597
• Discriminant of the 47 imaginary, bicyclic, biquadratic fields with class number 1.at n=36A159456
• Squares not divisible by 10 with digits d_1, d_2, ... d_k such that d_1^2 + ... + d_k^2 is a square.at n=15A254959
• Numbers n such that the product of n and the sum of the reciprocal of their anti-divisors is an integer.at n=24A272890
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=24A316483
• Number of minimal total dominating sets in the n X n torus grid graph.at n=3A348000
• Squares whose base-3 expansion has no 2.at n=39A363408