Numbers k for which (10+k!)/10 is prime.

Terms

a(0) =5a(1) =6a(2) =11a(3) =12a(4) =15a(5) =23a(6) =26a(7) =37a(8) =45a(9) =108a(10) =112a(11) =129a(12) =137a(13) =148a(14) =172a(15) =248a(16) =760a(17) =807a(18) =975a(19) =1398a(20) =5231a(21) =8765a(22) =24182