Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,21.

A064247

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,21.

Terms

    a(0) =30a(1) =198a(2) =366a(3) =576a(4) =618a(5) =828a(6) =1626a(7) =2466a(8) =2550a(9) =3390a(10) =4860a(11) =4986a(12) =5658a(13) =6036a(14) =6120a(15) =6708a(16) =6960a(17) =7506a(18) =12966a(19) =13218a(20) =13680a(21) =15318a(22) =16746a(23) =18048a(24) =18678a(25) =19476a(26) =20946a(27) =21030a(28) =21786a(29) =22668

External references