Relative of Hofstadter Q-sequence: a(n) = max(0, n+10001) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) + a(n-a(n-4)) for n > 0.

A283890

Relative of Hofstadter Q-sequence: a(n) = max(0, n+10001) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) + a(n-a(n-4)) for n > 0.

Terms

    a(0) =10a(1) =10002a(2) =10003a(3) =10004a(4) =10005a(5) =14a(6) =10006a(7) =10007a(8) =10008a(9) =10009a(10) =18a(11) =10010a(12) =10011a(13) =10012a(14) =10013a(15) =22a(16) =10014a(17) =10015a(18) =10016a(19) =10017a(20) =26a(21) =10018a(22) =10019a(23) =10020a(24) =10021a(25) =30a(26) =10022a(27) =10023a(28) =10024a(29) =10025

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