id:A064866 - OEIS Search Results

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Fill a triangular array by rows by writing numbers 1, then 1 up to 2^2, then 1 up to 3^2, then 1 up to 4^2 and so on.

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1, 1, 2, 3, 4, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 (list; table; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`The triangle begins:` `....1` `...1.2` `..3.4.1` `.2.3.4.5` `6.7.8.9.1`
	CROSSREFS	`Cf. A064865.` `Sequence in context: A145172 A053824 A033925 this_sequence A024855 A074057 A163258` `Adjacent sequences: A064863 A064864 A064865 this_sequence A064867 A064868 A064869`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 08 2001`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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