The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A058229 Digits composite, each digit minus 1 is prime, sum of digits minus 1 is prime, difference of digits (in absolute value) minus 1 is prime. 0
4, 6, 8, 48, 84, 444, 446, 464, 488, 648, 666, 668, 684, 686, 848, 866, 884, 888, 4448, 4466, 4484, 4646, 4664, 4844, 6444, 6446, 6464, 6468, 6486, 6644, 6648, 6666, 6684, 6846, 6864, 6888, 8444, 8448, 8466, 8484, 8646, 8664, 8688, 8844, 8868, 8886, 44444 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
If the digits of n are d1,d2,...,dn, then "difference of digits" means d1-d2-...-dn. - Sean A. Irvine, Jul 30 2022
LINKS
CROSSREFS
Sequence in context: A291718 A137026 A090938 * A087271 A067797 A203633
KEYWORD
nonn,less,base
AUTHOR
Felice Russo, Dec 01 2000
EXTENSIONS
Missing single-digit terms inserted by Sean A. Irvine, Jul 30 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 16 08:45 EDT 2024. Contains 373424 sequences. (Running on oeis4.)