%I #18 Dec 12 2023 08:25:47
%S -1,17,2,1259,3243760,33779,8367,3,2137453,29347,4,27,3097837317,
%T 75455289096,144693554136426354,586,8250248375768635503445567685,
%U 4956282,51496560713,7977231,4,560002,48,779641,10712620148411,44948082868036315658034347512222651
%N Length of commas sequence (cf. A121805) if start at 1 and do the calculations in base n; or -1 if the sequence is infinite.
%Y Cf. A121805, A367605 (last term).
%Y The sequences for bases 3, 8, and 10 are A367355, A367344, and A121805.
%K sign,base
%O 2,2
%A _N. J. A. Sloane_, Dec 08 2023
%E More terms from _Michael S. Branicky_, Dec 08 2023