200100
domain: N
Appears in sequences
- Members of A016052 whose digit sum is three.at n=22A119507
- a(n+1) is the least integer > a(n) containing all digits of a(n); a(1)=2.at n=28A155890
- Sum of any three adjacent digits of n^2 is a square.at n=43A174397
- Concatenate the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the leftmost digit etc., and 0 when the digit does not occur.at n=25A260522
- In base 3, 0, together with numbers of the form i00j00k00m00... where i = 1 or 2 and j,k,m,... are 0, 1, or 2.at n=23A261660
- Number of (undirected) paths in the n-triangular (Johnson) graph.at n=3A306887
- List of binary words of lengths 0, 1, 2, etc., including empty word, each prefixed by a 2.at n=35A319953
- Numbers whose k-th digit indicates the number of digits which occur k times.at n=5A380985
- Numbers of the form d_1 d_2 d_3 ... where the sum of their digits multiplied by their digit positions is equal to their number of digits.at n=14A381135