245025

Appears in sequences

• Squares of elements to right of central element in Pascal triangle (by row) that are not 1.at n=26A014720
• Squares of elements to left of the central element in Pascal triangle (by row).at n=37A014721
• Squares of odd elements in Pascal triangle that are not 1.at n=22A014725
• Squares of odd elements in Pascal triangle that are not 1.at n=23A014725
• Squares of odd elements in Pascal triangle.at n=46A014726
• Squares of odd elements in Pascal triangle.at n=47A014726
• Squares of numbers in array formed from odd elements to the right of middle of rows of Pascal triangle that are not 1.at n=11A014760
• Squares of numbers in array formed from odd elements to the right of middle of rows of Pascal triangle.at n=22A014761
• Squares of distinct elements in Pascal triangle.at n=32A014764
• Smallest natural number k such that periodic part of 1/sqrt(k) is n (or 0 if no such number exists).at n=20A037211
• (Terms in A014738)/4.at n=21A051515
• k^2 is a term if k^2 + (k-1)^2 and k^2 + (k+1)^2 are primes.at n=19A075577
• Squares of second pentagonal numbers: a(n) = (1/4)*n^2*(3*n+1)^2.at n=18A100256
• Squares which are the sum of two or more consecutive squares.at n=20A151557
• Odd abundant numbers whose abundance is odd.at n=2A156942
• Binomial(n-k,k)^2 where k = ceiling(n/4).at n=16A171001
• Triangle T(n,k) = binomial(2*n-k, k)*binomial(n+k, 2*k), read by rows.at n=40A171822
• Numbers of the form p^4*q^2*r^2 where p, q, and r are distinct primes.at n=32A179746
• Binomial coefficients: a(n) = binomial(3*n,n)^2.at n=4A188662
• The numbers n^2 as n runs through the numbers which are palindromes in base 2.at n=45A192775