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!)
A337478 Primorial deflation of A336389. 5
1, 3, 20, 38, 159, 749, 1337 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..6.

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to primorial numbers

Index entries for sequences related to sigma(n)

FORMULA

a(n) = A319626(A336389(n)) = A329900(A336389(n)).

For all n >= 0, A337474(a(n)) >= n and a(n) >= A337476(n).

CROSSREFS

Cf. A319626, A329900, A336389, A337474, A337476.

Cf. also A337477.

Sequence in context: A002461 A254501 A031106 * A248818 A268602 A344890

Adjacent sequences:  A337475 A337476 A337477 * A337479 A337480 A337481

KEYWORD

nonn,hard,more

AUTHOR

Antti Karttunen, Aug 29 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 January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)