49504
domain: N
Appears in sequences
- Least nonsquare having square residues for all moduli 2 through n.at n=27A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=28A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=29A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=30A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=31A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=32A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=33A018883
- Least nonsquare having square residues for all moduli 2 through n.at n=34A018883
- Table read by rows: list of even numbers to the right of the central elements of the (2,3)-Pascal triangle A029600.at n=41A029617
- Even numbers to left of central elements of the (3,2)-Pascal triangle A029618.at n=43A029631
- a(n) is square mod a(i), i < n; a(n) nonsquare; a(1) = 2.at n=21A034901
- Number of 3 X 3 matrices with nonnegative integer entries and all row sums equal to n, up to row and column permutation.at n=14A058389
- Numbers with ever-increasing minimal-square-deniers.at n=13A066730
- Numbers k such that phi(k) = bigomega(k)*tau(k)^2.at n=39A068540
- a(n) = (2*n+1)*(2*n+2)*(2*n+4)*(2*n+5).at n=6A069079
- Seventh column (m=6) of (1,6)-Pascal triangle A096956.at n=12A097297
- Minimal covering numbers.at n=32A160559
- Number of different fixed (possibly) disconnected trominoes bounded (not necessarily tightly) by an n*n square.at n=13A162673
- Number of arrays of 2n nondecreasing integers in -3..3 with sum zero and equal numbers greater than zero and less than zero.at n=30A203286
- Number of odd singletons in all partitions of n (n>=0).at n=40A265257