2-comma numbers: n occurs in the sequence S[k+1] = S[k] + 10*last_digit(S[k-1]) + first_digit(S[k]) for two different splittings n=concat(S[0],S[1]).

A166512

2-comma numbers: n occurs in the sequence S[k+1] = S[k] + 10*last_digit(S[k-1]) + first_digit(S[k]) for two different splittings n=concat(S[0],S[1]).

Terms

    a(0) =1023a(1) =1044a(2) =1521a(3) =1657a(4) =1789a(5) =1984a(6) =2191a(7) =2263a(8) =2451a(9) =2466a(10) =2523a(11) =2676a(12) =2783a(13) =2824a(14) =3066a(15) =3268a(16) =3589a(17) =3602a(18) =3631a(19) =4051a(20) =4113a(21) =4149a(22) =4159a(23) =4213a(24) =4315a(25) =4611a(26) =4685a(27) =4781a(28) =4969a(29) =5133

External references