50213

Appears in sequences

• Powers of 3 written in base 6.at n=8A004660
• Main diagonal of array in A083140.at n=34A083141
• a(n) is the number of times that sums 1+-4+-9+-16+-...+-n^2 of the first n squares is zero. There are 2^(n-1) choices for the sign patterns.at n=27A083527
• Automorphic numbers: n^2 ends with n in base 6 (written in base 6).at n=9A201821
• This sequence and A259989 are base-6 analogs of A007185 and A016090, written in base 6.at n=4A259988
• Number of ways of partitioning the set of the first n positive squares into two subsets whose sums differ at most by 1.at n=28A307877