id:A072166 - OEIS Search Results

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Triangle in which first row is {1}; to get n-th row take first n numbers greater than last number in previous row which are congruent to 1 (mod n).

+0
1

1, 3, 5, 7, 10, 13, 17, 21, 25, 29, 31, 36, 41, 46, 51, 55, 61, 67, 73, 79, 85, 92, 99, 106, 113, 120, 127, 134, 137, 145, 153, 161, 169, 177, 185, 193, 199, 208, 217, 226, 235, 244, 253, 262, 271, 281, 291, 301, 311, 321, 331, 341, 351, 361, 371, 375, 386, 397 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`a = {1}; k = 2; Do[i = 1; While[i < n + 1, If[ Mod[k, n] == 1, a = Append[a, k]; i++ ]; k++ ], {n, 2, 11}]; a`
	CROSSREFS	`Cf. A071977 & A072467.` `Sequence in context: A001768 A089108 A029899 this_sequence A077000 A057672 A112509` `Adjacent sequences: A072163 A072164 A072165 this_sequence A072167 A072168 A072169`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 28 2002`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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