|
Search: id:A161606
|
|
| |
|
| 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 3, 1, 1
(list; graph; listen)
|
|
|
OFFSET
|
2,3
|
|
|
EXAMPLE
|
28 has a prime-factorization of: 2^2 * 7^1. The sum of the distinct primes dividing 28 is 2+7 = 9. The sum of the exponents in the prime-factorization of 28 is 2+1 = 3. a(28) therefore equals GCD(9,3) = 3.
|
|
CROSSREFS
|
A008472, A001222
Sequence in context: A131789 A108465 A069347 this_sequence A113607 A082586 A160094
Adjacent sequences: A161603 A161604 A161605 this_sequence A161607 A161608 A161609
|
|
KEYWORD
|
more,nonn
|
|
AUTHOR
|
Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Jun 14 2009
|
|
|
Search completed in 0.002 seconds
|
