login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083787 Sequence contains the prime signature pertaining to the n-th row of A083785. 2
1, 2, 6, 60, 60, 60, 420 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

a(4) = 2^2*3*5 = 60 because A083785(4, 1) = 19940 = 2^2*5*997, (p^2*q*r) etc.

CROSSREFS

Cf. A034173, A083785, A034174.

Sequence in context: A132525 A316198 A074167 * A347979 A138286 A308532

Adjacent sequences:  A083784 A083785 A083786 * A083788 A083789 A083790

KEYWORD

nonn,more

AUTHOR

Amarnath Murthy, May 07 2003

EXTENSIONS

a(6)-a(7) from Jinyuan Wang, May 24 2020

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 November 29 13:17 EST 2021. Contains 349416 sequences. (Running on oeis4.)