OFFSET
1,2
COMMENTS
There was a conjecture that this recurrence would produce the sequence A068894, but this is not the case.
The next term -- a(6) -- has 253 digits. [From Harvey P. Dale, Jan 17 2012]
MATHEMATICA
RecurrenceTable[{a[1]==1, a[n]==(a[n-1]+1)^n}, a, {n, 6}] (* Harvey P. Dale, Jan 17 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vim Wenders, Apr 18 2008
STATUS
approved