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1, 3, 4, 6, 7, 10, 11, 16, 21, 24, 26, 39, 45, 52, 66, 73, 93, 99, 102, 105, 110, 111, 118, 153, 180, 194, 240, 251, 301, 331, 435, 479, 487, 504, 513, 518, 525, 546, 748, 753, 921, 993, 1202, 1285, 1352, 1600, 1716, 1869, 1902, 2221, 2477, 2601, 2640, 2807
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| A066839(A141037(n))
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EXAMPLE
| The value of 16 in this sequence corresponds to 1+2+3+4+6 = 16 with 1, 2, 3, 4 and 6 being the divisors of 36 <= sqrt(36)
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MAPLE
| A066839 := proc(n) a := 0 ; for k in numtheory[divisors](n) do if k^2 <= n then a := a+k ; fi; od: a ; end: A143837 := proc() rec := -1; for n from 1 do r := A066839(n) ; if r > rec then printf("%d, ", r) ; rec := r; fi; od: end: A143837() ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 03 2008]
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CROSSREFS
| Sequence in context: A191926 A065135 A101299 * A206903 A157611 A147609
Adjacent sequences: A143834 A143835 A143836 * A143838 A143839 A143840
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KEYWORD
| nonn
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AUTHOR
| J. Lowell (jhbubby(AT)mindspring.com), Sep 02 2008
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 03 2008
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