A243536 Numbers n such that list of divisors of n contains 3 distinct digits (in base 10).

4, 9, 15, 23, 25, 29, 37, 39, 43, 44, 47, 53, 59, 67, 73, 79, 83, 89, 93, 95, 97, 99, 103, 107, 109, 111, 119, 122, 125, 127, 137, 139, 143, 149, 155, 157, 163, 167, 173, 179, 187, 193, 197, 202, 223, 227, 229, 233, 241, 242, 251, 271, 277, 281, 303, 317, 337

Offset: 1

Author

Jaroslav Krizek, Jun 13 2014

Keywords

• nonn
• base

Comments

Numbers n such that A037278(n), A176558(n) and A243360(n) contain 3 distinct digits.

Examples

			44 is in sequence because list of divisors of 44: (1, 2, 4, 11, 22, 44) contains 3 distinct digits (1, 2, 4).
		

Links

• David A. Corneth, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A095048, A037278, A176558, A243360.

Sequences of numbers n such that list of divisors of n contains k distinct digits for 1 <= k <= 10: k = 1: A243534; k = 2: A243535; k = 3: A243536; k = 4: A243537; k = 5: A243538; k = 6: A243539; k = 7: A243540; k = 8: A243541; k = 9: A243542; k = 10: A095050.

Cf. A243543 (the smallest number m whose list of divisors contains n distinct digits).

Programs

Excel

[Row n = 1 …10000; Column A: A(n) = A095048(n); Column B: B(n) = IF(A(n)=3;A(n)); Arrangement of column B]