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 and the operators +, -, *, /, using each number only once.

A143192

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 and the operators +, -, *, /, using each number only once.

Terms

    a(0) =1413a(1) =7187a(2) =12421a(3) =22751a(4) =28862a(5) =48046a(6) =36094a(7) =46372a(8) =54214a(9) =72845a(10) =88119a(11) =107246a(12) =125589a(13) =104153a(14) =43838a(15) =45893a(16) =55054a(17) =62090a(18) =66226a(19) =70187a(20) =69638a(21) =74941a(22) =85303a(23) =81913a(24) =68891a(25) =77237a(26) =37997a(27) =48758a(28) =42827a(29) =45554

External references