OFFSET
1,1
COMMENTS
Computer solutions found by Oscar Volpatti.
All numbers > 9876543210 are terms. Number of terms <= 987654210 is 9862729718. - Chai Wah Wu, Apr 01 2021
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10000
Carlos Rivera and Rodolfo Kurchan, Puzzle 1030, A puzzle cousin of puzzle 1027, The Prime Puzzles and Problems Connection.
EXAMPLE
Example of numbers with solutions:
393 = 352 + 41;
856 = 856;
1000 = 987 + 13;
1111 = 987 + 124 or 1024 + 87;
45 = 45 or 42 + 3 or 1+2+3+4+5+6+7+8+9;
10002 = 9874 + 125 + 3.
The smallest number without solution is 18872.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Rodolfo Kurchan, Feb 27 2021
STATUS
approved