probability script

[afabas]

im new in this "scripts area". If anyone know simple script with 99-100% probability "numbers with database", or link, simple configuration, please leave message.
eg my numbers: 51, 2121, 312, 1113, 3111, 1311, 1131, 1122, 2211, 1212, 123, 231, 11112, 11121, 11211, 12111, 21111, 411, 141,114, 42, 24, 15, 222, 6 "1+1+1+1+1+1=6".
"i mean, what will be next after numbers eg: 3111 if before been, 51, 2121, 312, 1113, 3111, 1311, 1131, 1122, 2211, 1212, 123, 231, 11112, 11121, 11211, 12111, 21111, 411, 141,114, 42, 24, 15, 222, 6"
"..., 3111, 1211?"