id:A072363 - OEIS Search Results

Search: id:A072363

Displaying 1-1 of 1 results found.

page 1

Composite numbers whose sum of divisors is palindromic.

+0
1

4, 81, 96, 98, 130, 146, 162, 166, 201, 205, 208, 221, 244, 274, 300, 314, 325, 333, 365, 388, 422, 438, 489, 519, 559, 633, 685, 793, 803 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(2)=81: sum of divisors of 81=1+3+9+27+81=121, which is a palindrome.`
	CROSSREFS	`Sequence in context: A156103 A116189 A159063 this_sequence A053901 A017006 A041189` `Adjacent sequences: A072360 A072361 A072362 this_sequence A072364 A072365 A072366`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 18 2002`

page 1

Search completed in 0.002 seconds

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research