46097
domain: N
Appears in sequences
- Number of Twopins positions.at n=28A005691
- Composite numbers k such that sigma(k)*phi(k) + 2*(k+1) is a square.at n=3A065656
- Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once.at n=0A115939
- Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1111-0101 pattern in any orientation.at n=10A147184
- Number of length 2+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=11A249658
- Smallest number m needing exactly n distinct digits in decimal representation of m*(m+1)/2.at n=9A255678
- Composite numbers k = concat(MSD(k),x) such that the sum of the aliquot parts of k is equal to the sum of the aliquot parts of x.at n=12A293479
- Number of subsets of {1..n} containing n and all first differences.at n=20A364752