1256641

Appears in sequences

• Non-palindromic squares which when written backwards remain square (and still have the same number of digits).at n=29A035090
• a(n) = n*(n+1)*(n+2)*(n+3)+1 = (n^2 + 3*n + 1)^2.at n=32A062938
• Squares k^2 such that reverse(k)^2 = reverse(k^2), excluding squares of palindromes.at n=27A064021
• Squares arising as a partial product in A094353 + 1.at n=7A094354
• A Binet type formula from a polynomial whose coefficient expansion gives a tribonacci used as its first derivative InverseZtransform: A000073.at n=20A116573
• Perfect squares with property that their digit reversal is a larger perfect square.at n=20A156316
• Number of (n+1)X3 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=2A205195
• Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=1A205196
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=7A205198
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing, and all 2X2 permanents nonzero.at n=8A205198
• Number of n X 2 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=6A207009
• Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=1A207014
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=29A207015
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=34A207015
• Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.at n=1A207227
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.at n=29A207228
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.at n=34A207228
• Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal.at n=1A207234
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal.at n=29A207235
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal.at n=34A207235