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

A143191

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

Terms

    a(0) =284a(1) =1413a(2) =2113a(3) =3266a(4) =4943a(5) =6242a(6) =9105a(7) =11586a(8) =6269a(9) =6427a(10) =8407a(11) =8406a(12) =9224a(13) =11079a(14) =12451a(15) =8392a(16) =3469a(17) =4253a(18) =4043a(19) =4126a(20) =4087a(21) =4657a(22) =4330a(23) =4639a(24) =5114a(25) =3983a(26) =5839a(27) =4415a(28) =6376a(29) =4537

External references