a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, n+8 and the operators +, -, *, /, using each number only once.

A143193

a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, n+8 and the operators +, -, *, /, using each number only once.

Terms

    a(0) =7187a(1) =38103a(2) =54251a(3) =114358a(4) =168673a(5) =264111a(6) =319699a(7) =456061a(8) =588847a(9) =812092a(10) =1005321a(11) =1222630a(12) =445059a(13) =499063a(14) =600907a(15) =706847a(16) =820609a(17) =929113a(18) =1048137a(19) =1269847a(20) =1049291a(21) =1113439a(22) =1252843a(23) =1411942a(24) =1588841a(25) =456206a(26) =462382a(27) =464357a(28) =479894

External references