login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A370968 A008336 sorted and duplicates removed. 3
1, 2, 6, 20, 24, 120, 140, 858, 924, 1008, 1120, 10080, 11088, 12012, 12870, 176358, 184756, 194480, 205920, 3500640, 3695120, 3879876, 4056234, 87253605, 90262350, 93605400, 97349616, 2433740400, 2527345800, 2617608150, 2704861755, 57176602275, 79526843550, 81676217700, 84009823920, 86555576160, 2630123704650, 2687300306925, 2856334013280 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
In fact 1 is the only repeated term in A008336 (see that entry for proof).
LINKS
Michael De Vlieger, Plot p(i)^m(i) | a(n) at (x,y) = (n,i), n = 1..1024, 4X vertical exaggeration, with a color function where m(i) = 1 is black, m(i) = 2 is red, ... largest m(i) for n <= 1024 is in magenta.
EXAMPLE
From Michael De Vlieger, Apr 11 2024: (Start)
Table of first terms showing exponents of prime factors p | a(n), with "." signifying p^0.
primes
1111
n a(n) 23571379
-----------------------
1 1 .
2 2 1
3 6 11
4 20 2.1
5 24 31
6 120 311
7 140 2.11
8 858 11..11
9 924 21.11
10 1008 42.1
11 1120 5.11
12 10080 5211
13 11088 42.11
14 12012 21.111
15 12870 121.11
16 176358 11.1.111
17 184756 2...1111
18 194480 4.1.111
19 205920 521.11
20 3500640 521.111 (End)
CROSSREFS
Sequence in context: A028689 A156269 A370974 * A343506 A128447 A032622
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 11 2024
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 13 12:04 EDT 2024. Contains 374282 sequences. (Running on oeis4.)