id:A074203 - OEIS Search Results

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Odd n such that the number of 1's in the binary representation of n divides 2^n-1.

+0
2

1, 351, 375, 381, 471, 477, 501, 687, 699, 747, 855, 861, 885, 939, 981, 1119, 1143, 1149, 1239, 1245, 1269, 1311, 1335, 1341, 1359, 1371, 1383, 1389, 1395, 1401, 1431, 1437, 1461, 1479, 1485, 1491, 1497, 1509, 1521, 1623, 1629, 1653, 1707, 1749, 1815 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Except for 1, terms seem always congruent to 3.`
	CROSSREFS	`Cf. A074202.` `Adjacent sequences: A074200 A074201 A074202 this_sequence A074204 A074205 A074206` `Sequence in context: A074055 A108776 A084875 this_sequence A045126 A025385 A092374`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 17 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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