login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A094275 Triangle read by rows: for 1 <= k < n, a(n, k) is the least number not already used. For n > 1, a(n, n) is the least number not already used such that the product of the n-th row is a multiple of the product of the previous row. 4
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 30, 15, 16, 17, 18, 19, 1001, 20, 21, 22, 23, 24, 25, 12597, 26, 27, 28, 29, 31, 32, 33, 928625, 34, 35, 36, 37, 38, 39, 40, 41, 6823410, 42, 43, 44, 45, 46, 47, 48, 49, 50, 5726524817, 51, 52, 53, 54, 55, 56, 57, 58 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

Cf. A094276, A094277, A094278, A094279.

Sequence in context: A023768 A023795 A032949 * A060695 A055646 A161952

Adjacent sequences:  A094272 A094273 A094274 * A094276 A094277 A094278

KEYWORD

nonn,easy,less,tabl

AUTHOR

Amarnath Murthy, Apr 27 2004

EXTENSIONS

Edited and extended by David Wasserman, Jul 26 2006

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 15 04:28 EDT 2019. Contains 327062 sequences. (Running on oeis4.)