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A137903
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Limiting sequence when we start with positive integers (A000027) and at step n >= 1 add to the term at position n + a(n) the value a(n) if the term is odd, else divide the term by 2.
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1
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1, 1, 4, 4, 5, 6, 11, 4, 9, 5, 11, 3, 13, 14, 10, 16, 17, 18, 19, 20, 21, 11, 23, 24, 35, 13, 27, 14, 29, 30, 31, 16, 44, 17, 35, 18, 37, 19, 52, 20, 41, 35, 43, 44, 45, 23, 47, 12, 49, 50, 68, 52, 53, 45, 55, 56, 76, 29, 59, 47, 61, 31, 63, 64, 65, 66, 67, 68, 92, 35
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OFFSET
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1,3
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LINKS
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PROG
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(PARI) lista(nn) = my(va = [1..nn]); for (n=1, nn, my(m = n+va[n]); if (m <= nn, if (va[m] % 2, va[m]+=va[n], va[m] /= 2)); ); va; \\ Michel Marcus, Oct 29 2022
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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