7683984
domain: N
Appears in sequences
- Squares which are the product of a non-palindrome and its reversal, where leading zeros are not allowed.at n=5A076750
- Even squares which can be expressed as the product of a number and its reversal in at least two different ways.at n=3A083406
- Squares which can be expressed as the product of a number and its reversal in at least two different ways.at n=3A083408
- Terms of A066531 not ending in 0.at n=7A117282
- Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=9A208146
- Triangle read by rows: T(n, k) = (binomial(n,k)*binomial(n+k,k))^2 = A063007(n, k)^2, for n >= 0, k = 0..n.at n=26A303987
- Squares which can be expressed as the product of a number and its reversal in exactly two ways.at n=2A325150
- Perfect squares of the form a + b^2 + c^3, where a,b,c are consecutive numbers.at n=13A325173
- a(n) = (n!/floor(n/2)!^2)^2.at n=11A327998