500005

Appears in sequences

• Numbers k such that k^2 contains only digits {0,2,5}, not ending with zero.at n=14A058425
• a(n) = A069537(n)/2.at n=16A088404
• Numbers k such that k and k^2 use only the digits 0, 2, 3 and 5.at n=29A136887
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 7.at n=39A136889
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 8.at n=44A136890
• Numbers k such that k and k^2 use only the digits 0, 2 and 5.at n=13A136910
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 6.at n=39A136911
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 7.at n=17A136915
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 8.at n=42A136916
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 8.at n=18A136918
• Numbers k such that k and k^2 use only the digits 0, 2, 5, 8 and 9.at n=39A136919
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 9.at n=27A136920
• Smallest sequence which lists the position of digits "4" in the sequence.at n=34A167454
• a(n) = n*(n^5 + 1)/2.at n=10A167963
• Numbers whose decimal expansion contains only 0's and 5's.at n=33A169964
• Numbers in which each digit equals the sum (mod 10) of the other digits.at n=23A226468
• n*(1+(2*n)^n).at n=5A256512
• Numbers of the form k*(k^5 +- 1)/2.at n=19A361263