102786

Appears in sequences

• Positive numbers k such that k and 6*k are anagrams in base 9 (written in base 9).at n=9A023083
• a(n) = floor( gamma(n/4) * gamma(n+1)/4 ).at n=8A062512
• Iccanobirt numbers (4 of 15): a(n) = R(a(n-1)) + a(n-2) + a(n-3), where R is the digit reversal function A004086.at n=21A102114
• Number of ways to place 3 nonattacking bishops on a 3 X n board.at n=29A172207
• Numbers x such that sigma(x) + sigma(R(x)) = sigma(x + R(x)), where R(x) is the digit reversal of x and sigma(x) is the sum of the divisors of x.at n=36A246487
• Number of n X 2 nonnegative integer arrays with upper left 0 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=35A252932