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Search: id:A159928
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| 1, 3, 15, 91, 641, 5147, 46433, 465081, 5121789, 61513799, 800196799, 11208394387, 168193068805, 2691956450679, 45775335405729, 824136306116113, 15661462041469817, 313277888390065739, 6579708440058166031
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OFFSET
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1,2
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COMMENT
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A159928(m) = -A075374(m+4)+A075374(m+3), for n >= 1. -A075374(m+4) = the sum of all terms of triangle A159927 in rows 1 through m.
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PROGRAM
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(MAGMA) S:=[1]; T:=S; s:=1; for m in [2..19] do T:=[ n lt m select T[n]+s else s: n in [1..m] ]; t:=&+T; s+:=t; Append(~S, t); end for; S; [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 02 2009]
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CROSSREFS
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A159927, A075374
Sequence in context: A047019 A099251 A006632 this_sequence A020018 A124553 A020108
Adjacent sequences: A159925 A159926 A159927 this_sequence A159929 A159930 A159931
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KEYWORD
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nonn
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AUTHOR
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Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Apr 26 2009
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EXTENSIONS
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More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 02 2009
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