OFFSET
1,3
COMMENTS
The next term (a(9)) has 222 digits. - Harvey P. Dale, Apr 22 2014
MATHEMATICA
a = {1, 1}; For[i = 3, i <= 8, i++, c = (a[[i - 1]] + a[[i - 2]]!); a = Append[a, c]]; a
RecurrenceTable[{a[1]==a[2]==1, a[n]==a[n-1]+a[n-2]!}, a, {n, 8}] (* Harvey P. Dale, Apr 22 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Joseph L. Pe, Oct 17 2002
STATUS
approved