|
| |
|
|
A054005
|
|
Sum of divisors of n and n+1 which have the same number and sum of divisors.
|
|
3
| |
|
|
24, 2160, 2640, 4320, 51840, 65280, 115200, 138240, 194400, 186048, 276480, 483840, 622080, 700416, 950400, 984960, 1118880, 1128960, 1612800, 2661120, 3937248, 3617280, 5019840, 6128640, 5806080, 7375680, 8467200, 11583936
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
FORMULA
| a(n) = sigma(A054004(n))
|
|
|
EXAMPLE
| See example in A054004.
|
|
|
CROSSREFS
| Cf. A000005, A000203, A002961, A005237, A053249, A054004, A054006, A054007.
Sequence in context: A003738 A194472 A001501 * A107675 A173115 A202927
Adjacent sequences: A054002 A054003 A054004 * A054006 A054007 A054008
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Asher Auel (asher.auel(AT)reed.edu) Jan 12, 2000
|
|
|
EXTENSIONS
| More terms from Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Oct 15 2000
|
| |
|
|
