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Search: id:A115025
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| A115025 |
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a(n) = n-th element of n-th row of triangle shown below. |
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+0
1
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| 1, 2, 2, 7, 3, 21, 25, 113, 17, 289, 321, 1665, 769, 5633, 7169
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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1
1..............................................2
1......................3.......................2.......................4
1...........5..........3...........7...........2...........6...........4...........8
1.....9.....5....13....3....11.....7....15.....2....10.....6....14.....4....12.....8....16
1.17..9.25..5.21.13.29.3.19.11.27..7.23.15.31..2.18.10.26..6.22.14.30..4.20.12.28..8.24.16.32
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CROSSREFS
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Cf. A049773.
Adjacent sequences: A115022 A115023 A115024 this_sequence A115026 A115027 A115028
Sequence in context: A014840 A077218 A102780 this_sequence A075428 A116077 A074144
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KEYWORD
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nonn
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AUTHOR
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Jonas Wallgren (jonwa(AT)ida.liu.se), Feb 24 2006
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