51234

Appears in sequences

• Concatenations of cyclic permutations of initial positive integers.at n=14A001292
• 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=48A104972
• 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=28A165303
• Number of days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic.at n=18A210883
• 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=33A260275
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 413", based on the 5-celled von Neumann neighborhood.at n=42A272009
• List of André permutations of the second kind.at n=22A278983
• Decimal representation of permutations of lengths 1, 2, 3, ...at n=24A306428
• Lexicographically earliest sequence of distinct positive numbers such that if we add ten successive digits the result is divisible by 10.at n=34A327735
• Number of n X n nonograms (hanjie) which can be solved uniquely by iteratively analyzing each row and column in isolation, without guessing and backtracking.at n=4A391619