Numbers k such that k | A020696(k) and (k+1) | A020696(k+1).

Terms

a(0) =1a(1) =201824a(2) =227799a(3) =313599a(4) =395199a(5) =544824a(6) =638000a(7) =654975a(8) =799799a(9) =862784a(10) =1056159a(11) =1204280a(12) =1269729a(13) =1447550a(14) =1890944a(15) =2276351a(16) =2460975a(17) =2481115a(18) =2781999a(19) =2821272a(20) =3348224a(21) =3382379a(22) =3403700a(23) =3832191a(24) =3864575a(25) =3956120a(26) =5142500a(27) =5961950a(28) =6116175a(29) =6401024