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A366783
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Sum of the divisors of A000073(n) (tribonacci numbers).
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2
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1, 1, 3, 7, 8, 14, 60, 84, 121, 150, 414, 1560, 1352, 2304, 7239, 12480, 10713, 22400, 67032, 154056, 166560, 334880, 770160, 1322090, 2020564, 3712800, 8461404, 21427200, 17008752, 37733696, 154277568, 219104032, 249664896, 341958960, 1575703584, 1997069256
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OFFSET
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2,3
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LINKS
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FORMULA
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EXAMPLE
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a(8)=60 because the 8th tribonacci number 24 has divisors {1, 2, 3, 4, 6, 8, 12, 24}.
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MATHEMATICA
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DivisorSigma[1, LinearRecurrence[{1, 1, 1}, {1, 1, 2}, 36]] (* Amiram Eldar, Oct 23 2023 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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