1238769
domain: N
Appears in sequences
- Non-palindromic squares which when written backwards remain square (and still have the same number of digits).at n=28A035090
- Squares k^2 such that reverse(k)^2 = reverse(k^2), excluding squares of palindromes.at n=26A064021
- Smith square numbers.at n=25A098839
- Squares k such that k - 2 and k + 2 are prime.at n=22A144938
- a(n) = (n 1's followed by a 3)^2.at n=3A151997
- Perfect squares with property that their digit reversal is a larger perfect square.at n=19A156316
- Squares which have one or more occurrences of exactly seven different digits.at n=8A235722
- Squares of number of partitions into distinct parts.at n=40A304990
- Odd squares k, multiples of 3 and non-multiples of 5, such that sigma(k)/k >= 5/3.at n=24A388016