Values of m such that N = (m+1)(2m+1)(71m+1) is a 3-Carmichael number (A087788).

Terms

a(0) =1170a(1) =5430a(2) =53568a(3) =59106a(4) =63366a(5) =86370a(6) =95316a(7) =99576a(8) =103836a(9) =105966a(10) =116190a(11) =183498a(12) =184776a(13) =239730a(14) =260178a(15) =300648a(16) =319818a(17) =333450a(18) =339840a(19) =362418a(20) =367530a(21) =481698a(22) =485958a(23) =503850a(24) =511518a(25) =605238a(26) =644856a(27) =725370a(28) =732186a(29) =762006