Numbers n such that A001414(n) divides n+1 and A001414(n+1) divides n.

Terms

a(0) =44a(1) =41005a(2) =41040a(3) =68263a(4) =91907a(5) =109736a(6) =416325a(7) =603954a(8) =826987a(9) =1122407a(10) =1218999a(11) =1262079a(12) =1533375a(13) =1649375a(14) =1835584a(15) =1935225a(16) =1964199a(17) =2141888a(18) =2562016a(19) =2615799a(20) =2649352a(21) =3021075a(22) =3186000a(23) =3554880a(24) =3863678a(25) =4221536a(26) =4655805a(27) =4925844a(28) =5236153a(29) =5273100