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A036562
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4^(n+1)+3*2^n+1.
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11
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1, 8, 23, 77, 281, 1073, 4193, 16577, 65921, 262913, 1050113, 4197377, 16783361, 67121153, 268460033, 1073790977, 4295065601, 17180065793, 68719869953, 274878693377, 1099513200641, 4398049656833, 17592192335873, 70368756760577
(list; graph; refs; listen; history; internal format)
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OFFSET
| -1,2
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LINKS
| Robert Sedgewick, Analysis of shellsort and related algorithms, Fourth European Symposium on Algorithms, Barcelona, September, 1996.
Index entries for sequences related to sorting
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CROSSREFS
| Sequences used for Shell sort: A003462, A033622, A036562, A036564, A036569, A055875, A055876.
Equals (1/2) [A028401(n+4) + 1], n>=0.
Sequence in context: A055273 A059209 A099274 * A172390 A205376 A088448
Adjacent sequences: A036559 A036560 A036561 * A036563 A036564 A036565
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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