Pseudoprimes to a twin prime criterion of Aebi and Cairns.

Terms

a(0) =561a(1) =645a(2) =1905a(3) =2465a(4) =4369a(5) =4371a(6) =23001a(7) =25761a(8) =60701a(9) =87249a(10) =158369a(11) =181901a(12) =206601a(13) =212421a(14) =253241a(15) =280601a(16) =332949a(17) =348161a(18) =513629a(19) =580337a(20) =587861a(21) =656601a(22) =831405a(23) =1207361a(24) =1275681a(25) =1472505a(26) =1489665a(27) =1678541a(28) =1735841a(29) =1815465