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 A161985 Table read by rows: the number 2n+1 followed by the numbers n+1 to 3n+1. 0
 1, 1, 3, 2, 3, 4, 5, 3, 4, 5, 6, 7, 7, 4, 5, 6, 7, 8, 9, 10, 9, 5, 6, 7, 8, 9, 10, 11, 12, 13, 11, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 13, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 15, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 16, 9, 10, 11, 12, 13, 14, 15, 16, 17 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Row sums are 2(n+1)(2n+1). Row sums discarding the first column are (2n+1)^2, that is the square of the element in the first column. LINKS EXAMPLE The table with rows starting at n=0 is 1,1; 3,2,3,4; 5,3,4,5,6,7; 7,4,5,6,7,8,9,10; 9,5,6,7,8,9,10,11,12,13; CROSSREFS Sequence in context: A055923 A035634 A091563 * A292787 A035366 A114751 Adjacent sequences:  A161982 A161983 A161984 * A161986 A161987 A161988 KEYWORD nonn,tabf,less AUTHOR Juri-Stepan Gerasimov, Jun 23 2009 EXTENSIONS Edited by R. J. Mathar, Jun 28 2009 STATUS approved

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