100040
domain: N
Appears in sequences
- a(n) = T(n,0) + T(n,1) + ... + T(n,n), T given by A026907.at n=11A026915
- Smallest positive integer with n digits and exactly n prime factors (counted with multiplicity).at n=5A036336
- Numbers having four 0's in base 10.at n=21A043492
- a(n) = Sum_{d|5} phi(d)*n^(5/d).at n=10A054604
- a(n) = Sum_{d|n} phi(d)*10^(n/d).at n=5A054617
- Least multiple of n in which the n-th digit from left is 4.at n=4A113559
- Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted lexicographically.at n=5A249854
- Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted first by check digit, then lexicographically.at n=1A249855
- The number of edges formed by straight line segments mutually connecting all vertices of a semicircular polygon defined in A333642.at n=31A330911