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 A159016 Square array A, read by antidiagonals, with entry n in row k given by A(k,0) = A028387(k) and A(k,n) = A(k,n-1) + floor(sqrt(A(k,n-1))), n>0, k>=0. 13
 1, 2, 5, 3, 7, 11, 4, 9, 14, 19, 6, 12, 17, 23, 29, 8, 15, 21, 27, 34, 41, 10, 18, 25, 32, 39, 47, 55, 13, 22, 30, 37, 45, 53, 62, 71, 16, 26, 35, 43, 51, 60, 69, 79, 89, 20, 31, 40, 49, 58, 67, 77, 87, 98, 109, 24, 36, 46, 56, 65, 75, 85, 96, 107, 119, 131 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Permutation of positive integers. LINKS Table of n, a(n) for n=0..65. EXAMPLE Array begins: ...1....2....3....4....6....8...10...13...16...20.. ...5....7....9...12...15...18...22...26...31...36.. ..11...14...17...21...25...30...35...40...46...52.. ..19...23...27...32...37...43...49...56...63...70.. ..29...34...39...45...51...58...65...73...81...90.. ..41...47...53...60...67...75...83...92..101..111.. ..55...62...69...77...85...94..103..113..123..134.. ..71...79...87...96..105..115..125..136..147..159.. ..89...98..107..117..127..138..149..161..173..186.. .109..119..129..140..151..163..175..188..201..215.. CROSSREFS Cf. A002984 (= row 0), A028387, A008865, A014209, A028392. Sequence in context: A191707 A192177 A288417 * A289108 A246364 A352774 Adjacent sequences: A159013 A159014 A159015 * A159017 A159018 A159019 KEYWORD nonn,tabl AUTHOR Philippe Deléham, Apr 02 2009 EXTENSIONS Definition corrected by Philippe Deléham, Apr 04 2009 Edited by L. Edson Jeffery, May 28 2013 STATUS approved

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Last modified September 11 17:54 EDT 2024. Contains 375839 sequences. (Running on oeis4.)