84100

Appears in sequences

• a(n) = (8*n + 2)^2.at n=36A017090
• a(n) = (10*n)^2.at n=29A017270
• a(n) = (11*n + 4)^2.at n=26A017438
• a(n) = (12*n + 2)^2.at n=24A017546
• Squares with digits in nonincreasing order.at n=18A028822
• Palindromic squares in base 12.at n=11A029738
• Smallest nontrivial extension of n^2 which is a square.at n=28A030686
• Squares and omitting some digit gives another number in this list.at n=28A034378
• Squares with initial digit '8'.at n=14A045792
• Expansion of (1-x^2)/(1-2*x^2-x^3+x^5).at n=29A052943
• Squares the sum of the squares of whose digits are squares.at n=18A061090
• Squares in which removing a suitably chosen digit yields another square and this process can be continued until the digits are exhausted.at n=27A062387
• k^2 is a term if k^2 + (k-1)^2 and k^2 + (k+1)^2 are primes.at n=13A075577
• Main diagonal of A082043: a(n) = n^4 + 2*n^2 + 1.at n=17A082044
• Squares arising in A085039. n-th partial sum of A085039.at n=17A085040
• 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=32A097226
• The common value of sigma_2 for square-amicable numbers, sigma_2(m)=sigma_2(n), m<n.at n=21A110929
• Squares in A114390, in order of appearance.at n=37A114392
• a(n) = (29*n)^2.at n=10A133496
• Numbers that are the squares of the product of three distinct primes.at n=31A162143