34512

Appears in sequences

• Concatenations of cyclic permutations of initial positive integers.at n=12A001292
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=32A104972
• Numbers k such that both k and k^2/2 are averages of twin prime pairs.at n=25A152787
• a(n) is the smallest number not already in the sequence, such that the concatenation of all a(n) displays the periodic digit string 1, 2, 3, 4, 5 (and repeat).at n=24A165303
• Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur.at n=27A260275
• a(n) = 54*n^2 - 78*n + 36.at n=26A277983
• List of André permutations of the second kind.at n=17A278983
• Lexicographically first sequence of distinct terms such that any set of five successive digits can be reordered as {d, d+1, d+2, d+3, d+4}, d being the smallest of the five digits.at n=58A302500
• Derangements of {1,2,...,n} (n >= 2) in lexicographic order.at n=28A320588
• G.f. A(x) satisfies 1/x = Sum_{n=-oo..+oo} A(x)^(2*n) * (A(x)^n + 1)^(2*n+1).at n=10A378571