OFFSET
1,1
COMMENTS
The next terms are too large to show here: a(10) and a(11) have 1036 and 4274 digits, respectively (see A170954). - Jon E. Schoenfield, Dec 29 2023
MATHEMATICA
a[0] = 1; a[1] = a[2] = 1; a[n_] := a[n] = a[n-1] + a[n-3]; Select[Table[a[n], {n, 0, 400}], PrimeQ]
CROSSREFS
KEYWORD
nonn
AUTHOR
José E. Solsona, Dec 22 2023
STATUS
approved