228484

Appears in sequences

• Squares composed of digits {2,4,8}.at n=3A027678
• Squares which are palindromes in base 15.at n=22A030075
• Squares whose digits are all even.at n=16A030098
• Squares whose digits occur with an equal minimal frequency of 2.at n=1A052050
• Even-digit perfect powers.at n=19A075787
• Least square k^2 > n^2 whose decimal expansion ends in n^2.at n=22A090292
• Squares whose digits are all positive and even.at n=8A103751
• a(n) = -(u^n-1)*(v^n-1) with u = 1+sqrt(2), v = 1-sqrt(2).at n=13A129744
• Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A003499(n)) ), where A003499(n) = (3+sqrt(8))^n + (3-sqrt(8))^n.at n=13A174501
• Number of n X 7 binary arrays without the pattern 0 1 diagonally or antidiagonally.at n=15A188822
• Simple continued fraction expansion of an infinite product.at n=25A221073
• G.f.: Sum_{n>=1} x^n / (1-x)^prime(n).at n=12A227235
• The smaller of a pair of successive powerful numbers (A001694) without any prime number between them.at n=29A240591
• Number of n X 5 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 3 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=7A253001
• Squares whose digits are powers of 2.at n=18A272884
• Number of minimal (and minimum) total dominating sets in the 2n-crossed prism graph.at n=6A302946
• a(n) is the smallest n-digit square with all digits even.at n=5A343724
• Perfect powers whose digits are all powers of the same single-digit base.at n=23A385351
• Squares which are the concatenation of two or more powers of 2.at n=31A392102