id:A070279 - OEIS Search Results

Search: id:A070279

Displaying 1-1 of 1 results found.

page 1

Sum of digits of n equals the sum of digits of 2n.

+0
1

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 153, 162, 171, 180, 189, 198, 207, 216, 225, 252, 261, 270, 279, 288, 297, 306, 315, 351, 360, 369, 378, 387, 396, 405, 450, 459, 468, 477, 486, 495, 504, 513, 522, 531, 540, 549, 594, 603, 612 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`If k is in the sequence 2k, 4k, 8k also.` `A010888(a(n)) = 9, but not all multiples of 9 belong to the sequence: e.g. 144=169: A007953(144)=1+4+4=9, but A007953(1442)=A007953(288)=2+8+8=18. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 15 2002`
	CROSSREFS	`Sequence in context: A052484 A072830 A008591 this_sequence A016096 A070793 A052223` `Adjacent sequences: A070276 A070277 A070278 this_sequence A070280 A070281 A070282`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 09 2002`

page 1

Search completed in 0.002 seconds

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research