Question

explain why the arithmetic sequence: 1,14,27,40 contains many terms of the form 22222...22222 etc where only digit two appears. How many 2's appear in the sequence? (The nth term rule is 13n-12)

Answer 1

The sequence of Bell numbers, 1, 2, 5, 15 ... by consideration of the integral factors of 10 and 12: 10 has two (2, 5) ... numbers form an arithmetic sequence of the

Answer 2

he sequence of Bell numbers, 1, 2, 5, 15 ... by consideration of the integral factors of 10 and 12: 10 has two (2, 5) ... numbers form an arithmetic sequence of the