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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A079210 Positive divisors of n!, listed in increasing order for each n, a new row for each n. 41
 1, 1, 1, 2, 1, 2, 3, 6, 1, 2, 3, 4, 6, 8, 12, 24, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS Elements per row: 1,1,2,4,8,16,30,... (given by A027423, number of positive divisors of n!) This sequence is the same as A070861 for the first 38 terms, but differs thereafter. LINKS Andrew Howroyd, Table of n, a(n) for n = 0..1979 (rows 0..12) EXAMPLE First few rows are: 1; 1; 1,2; 1,2,3,6; 1,2,3,4,6,8,12,24; 1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120; ... MATHEMATICA Flatten[Table[Divisors[n!], {n, 6}]] (* Harvey P. Dale, Mar 13 2011 *) PROG (Magma) [Divisors(Factorial(n)): n in [0..10]]; // Vincenzo Librandi, Jun 19 2015 (PARI) tabf(nn) = for (n=0, nn, print(divisors(n!))); \\ Michel Marcus, Jun 19 2015 CROSSREFS Cf. A027423 (row lengths), A062569 (row sums), A070861. Sequence in context: A057192 A078777 A135938 * A070861 A277566 A261144 Adjacent sequences: A079207 A079208 A079209 * A079211 A079212 A079213 KEYWORD nonn,tabf AUTHOR Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003 EXTENSIONS a(0)=1 prepended by Andrew Howroyd, Jan 26 2022 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.

Last modified June 5 22:25 EDT 2023. Contains 363138 sequences. (Running on oeis4.)