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A075331
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Sums of pairs in A075329.
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5
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4, 16, 22, 28, 37, 45, 56, 65, 74, 84, 90, 100, 106, 118, 124, 132, 142, 150, 155, 163, 175, 182, 190, 200, 208, 217, 226, 234, 237, 249, 259, 267, 277, 285, 290, 300, 313, 318, 331, 337, 343, 351, 361, 371, 380, 389, 393, 406, 412, 421, 430, 439, 445, 457
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MAPLE
| A075331 := proc(nmax) local r, s, n, stst, rtst, i ; r := [1] : s := [] : n := {1} : while nops(r) < nmax do stst := 1 ; while stst in n or stst-op(-1, r) in n or stst+op(-1, r) in n do stst := stst +1 ; od ; s := [op(s), stst] ; n := n union {stst, stst-op(-1, r), stst+op(-1, r)} ; rtst := 1 ; while rtst in n do rtst := rtst +1 ; od ; r := [op(r), rtst] ; n := n union {rtst} ; od : for i from 1 to nops(s) do s := subsop(i=op(i, r)+op(i, s), s) ; od ; RETURN(s) ; end: A075331(100) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 03 2007
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CROSSREFS
| Cf. A075329, A075330, A075332.
Sequence in context: A039943 A193996 A067671 * A065661 A100275 A192199
Adjacent sequences: A075328 A075329 A075330 * A075332 A075333 A075334
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 18 2002
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 03 2007
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