A217413 Numbers of the form 2^r*11^s whose decimal representations are such that each digit 0-9 appears a prime number of times.
380270922216319615655477248, 804540132953535715766960128, 808356196450619282354367102976, 3705202243778559670466281109192704, 29084192305393678777275954501779456
Offset: 1
Examples
A217414(1)=71 and A217415(1)=5, so this sequence's first term is 2^71 * 11^5. It has two each of 0's, 3's, 4's, 6's, 8's and 9's; three each of 1's, 5's and 7's; and five 2's.
Comments