Self numbers: Difference between revisions

=={{header|RPL}}==

Brute force, using a sieve:

« 0

'''WHILE''' OVER '''REPEAT'''

SWAP 10 MOD LASTARG / IP

ROT ROT +

'''END''' +

» '<span style="color:blue">DIGSUM</span>' STO

« 0 → max n

« { } DUP max + 0 CON

1 CF

'''DO''' 'n' INCR

DUP <span style="color:blue">DIGSUM</span> +

'''IFERR''' 1 PUT '''THEN''' DROP2 1 SF '''END'''

'''UNTIL''' 1 FS? '''END'''

1

'''WHILE''' 3 PICK SIZE 50 < '''REPEAT'''

'''IF''' DUP2 GET NOT '''THEN''' ROT OVER + ROT ROT '''END'''

1 +

'''END''' DROP2

» » '<span style="color:blue">TASK</span>' STO

500 <span style="color:blue">TASK</span>

{{out}}

<pre>

1: { 1 3 5 7 9 20 31 42 53 64 75 86 97 108 110 121 132 143 154 165 176 187 198 209 211 222 233 244 255 266 277 288 299 310 312 323 334 345 356 367 378 389 400 411 413 424 435 446 457 468 }

</pre>

Runs in 2 minutes 8 seconds on a HP-48SX.