Least n-comma number: smallest nonnegative integer that occurs in the sequence S[k+1]=S[k]+10*last_digit(S[k-1])+first_digit(S[k]) for at least n different splittings a(n)=concat(S[0],S[1]).

A166507

Least n-comma number: smallest nonnegative integer that occurs in the sequence S[k+1]=S[k]+10*last_digit(S[k-1])+first_digit(S[k]) for at least n different splittings a(n)=concat(S[0],S[1]).

Terms

    a(0) =0a(1) =10a(2) =1023a(3) =2676a(4) =16867a(5) =111688a(6) =1522828a(7) =11386882a(8) =112273999a(9) =1212143716a(10) =11232152998a(11) =121321194596

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