68908domain: NAppears in sequencesAugmented amicable pairs (smaller member of each pair).at n=3A007992Number of right triangles on a (n+1)X7 grid.at n=32A189811Variation on betrothed numbers.at n=6A281265Binary Niven numbers (A049445) with a record gap to the next binary Niven number.at n=13A337077