66049
domain: N
Appears in sequences
- Numbers that are the sum of 4 nonzero 8th powers.at n=17A003382
- Numbers that are the sum of at most 4 nonzero 8th powers.at n=43A004877
- a(n) = (7*n + 5)^2.at n=36A017042
- a(n) = (9*n + 5)^2.at n=28A017222
- a(n) = (10*n + 7)^2.at n=25A017354
- a(n) = (11*n + 4)^2.at n=23A017438
- a(n) = (12*n + 5)^2.at n=21A017582
- Strong pseudoprimes to base 48.at n=27A020274
- a(n) = (2^n + 1)^2.at n=8A028400
- Numbers k such that k^2 is palindromic in base 16.at n=27A029733
- Palindromic squares in base 16.at n=6A029734
- Squares which are palindromes in base 4.at n=8A029987
- a(n) = prime^2 and digits of prime do not appear in a(n).at n=12A030088
- Squares of primes, with property that all even digits occur together and all odd digits occur together.at n=14A030481
- Smallest nontrivial extension of n-th palindrome which is a square.at n=14A030676
- Smallest squares starting with a string of n 6's.at n=1A034989
- Squares with initial digit '6'.at n=21A045789
- Prime powers p^w (w >= 2) such that p^w-2 is prime.at n=34A053704
- Squares the sum of the squares of whose digits are squares.at n=16A061090
- Numbers k such that sigma_4(k)/sigma_2(k) is prime.at n=16A066109