OFFSET
1,2
COMMENTS
Years ago, the columnist Alex Bellos asked John Conway for some math puzzles for his column. A few days after Conway's death in 2020, Bellos published two of those puzzles. a(10) of this sequence is the solution to the second puzzle. See the Bellos (2020) link. - Alonso del Arte, Apr 21 2020
LINKS
Alex Bellos, Did you solve it? John Horton Conway, playful maths genius, The Guardian, April 20, 2020.
EXAMPLE
12965408, for instance, is in the sequence because 1|1, 2|12, 3|129, 4|1296, 5|12965, 6|129654, 7|1296540, 8|12965408. It's a(8).
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Lekraj Beedassy, Mar 14 2009
EXTENSIONS
a(8), a(9) corrected by Ray Chandler, Mar 21 2009
STATUS
approved