108933

Appears in sequences

• Number of discordant permutations.at n=4A000565
• Smallest k such that the smallest palindrome > k in the Reverse and Add! trajectory of k is reached after exactly n iterations.at n=35A015994
• a(0) = 0. For n > 0, smallest non-palindromic number k such that the smallest palindrome in the Reverse and Add! trajectory of k is reached after exactly n iterations.at n=36A023109
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 20.at n=33A031698
• Least number of Reverse-then-add persistence n.at n=36A033866
• a(n) = concatenation of n^2 and n.at n=32A055436
• a(n) = 100*n^2 + n.at n=32A055438
• a(n) = 1089*n^2 + 33.at n=10A158688
• Number of n X n 0..1 arrays with each 1 adjacent to 3 or 5 king-move neighboring 1's.at n=6A296151
• Number of n X 7 0..1 arrays with each 1 adjacent to 3 or 5 king-move neighboring 1's.at n=6A296156