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!)
A214837 Primes not expressible as the sum of a prime and its digit sum. 0
2, 3, 5, 7, 11, 19, 23, 31, 37, 41, 43, 53, 59, 67, 71, 89, 97, 101, 109, 127, 131, 139, 149, 151, 157, 167, 179, 193, 197, 199, 211, 223, 227, 229, 233, 239, 251, 257, 263, 269, 277, 283, 311, 313, 331, 337, 347, 349, 353, 359, 367, 373, 379, 389, 401, 419 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Primes not in A048520.
LINKS
EXAMPLE
19 is in the list since there exists no prime p such that p+digit sum of p = 19.
MATHEMATICA
primeList = Prime[Range[81]]; Complement[primeList, Sort[Select[Table[p + Total[IntegerDigits[p]], {p, primeList}], PrimeQ]]]
CROSSREFS
Sequence in context: A246044 A039986 A278694 * A079346 A228062 A332216
KEYWORD
nonn,base
AUTHOR
Jayanta Basu, May 03 2013
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 March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)