60300
domain: N
Appears in sequences
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 6 and 9.at n=26A136894
- Numbers k such that k and k^2 use only the digits 0, 3, 4, 6 and 9.at n=31A136932
- Numbers k such that k and k^2 use only the digits 0, 3, 5, 6 and 9.at n=26A136939
- Numbers k such that k and k^2 use only the digits 0, 3, 6, 7 and 9.at n=25A136944
- Numbers k such that k and k^2 use only the digits 0, 3, 6, 8 and 9.at n=38A136945
- Numbers k such that k and k^2 use only the digits 0, 3, 6 and 9.at n=25A136946
- Number of -n..n arrays x(0..4) of 5 elements with zero sum and no element more than one greater than the previous.at n=25A199849
- Number of n X 6 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=9A280552
- Number of regions in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.at n=19A333519