13521270961
domain: N
Appears in sequences
- Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=15A208119
- a(n) is the smallest number with exactly n divisors such that all its divisors end with the same digit (which is necessarily 1).at n=24A338784
- a(n) is the least arithmetic number (A003601) having exactly n divisors.at n=24A359965