|
| |
|
|
A079130
|
|
Primes such that iterated sum-of-digits (A038194) is a square.
|
|
2
| |
|
|
13, 19, 31, 37, 67, 73, 103, 109, 127, 139, 157, 163, 181, 193, 199, 211, 229, 271, 283, 307, 337, 373, 379, 397, 409, 433, 463, 487, 499, 523, 541, 571, 577, 607, 613, 631, 643, 661, 733, 739, 751, 757, 769, 787, 811, 823, 829, 859, 877, 883, 919, 937, 967
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
PROG
| (PARI) forprime(p=2, 1000, if(issquare(p%9), print1(p, ", ")))
|
|
|
CROSSREFS
| Cf. A078403, A079131, A079132.
Sequence in context: A115093 A158195 A040092 * A085413 A164333 A069324
Adjacent sequences: A079127 A079128 A079129 * A079131 A079132 A079133
|
|
|
KEYWORD
| nonn,easy,base
|
|
|
AUTHOR
| Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 28 2002
|
| |
|
|
