50500

Appears in sequences

• a(n) = A069537(n)/2.at n=13A088404
• Numbers k such that k and k^2 use only the digits 0, 2, 3 and 5.at n=21A136887
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 7.at n=23A136889
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 8.at n=28A136890
• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 5.at n=40A136897
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 7.at n=58A136899
• Numbers k such that k and k^2 use only the digits 0, 2 and 5.at n=11A136910
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 6.at n=29A136911
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 8.at n=41A136913
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 9.at n=39A136914
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 7.at n=13A136915
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 8.at n=24A136916
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 9.at n=41A136917
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 8.at n=13A136918
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 8 and 9.at n=22A136919
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 9.at n=19A136920
• Number of 6 X 6 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.at n=17A156388
• Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 17.at n=4A156466
• Numbers k which are concatenations k=x//y such that x^2 + y^2 is a multiple of k.at n=27A162463
• a(n) = n^3*(n^2 + 1)/2.at n=10A168178