id:A096821 - OEIS Search Results

Search: id:A096821

Displaying 1-1 of 1 results found.

page 1

Solutions to Mod[sigma(x),x]=12 of the form p*(p+13)/2 where p is a prime of form=2^j-13, of which j exponents are listed in A096818.

+0
2

24, 304, 127744, 33501184, 8589082624, 10384593717069654320312270165377024, 822752278660603021077484591278411581166520461101278617407586304, 15177100720513508366558296147058741458142670970377727126573378340391656803557965824 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The relevant A084306 includes additional solution like 21, while A076496 contains solutions of 6k form too.`
	EXAMPLE	`8th term is (2^136)(-13+2^137) with 83 decimal digits; n=4: a[4]=(2^3)(16-13)=24;`
	CROSSREFS	`Cf. A084306, A096518, A000203, A076496.` `Adjacent sequences: A096818 A096819 A096820 this_sequence A096822 A096823 A096824` `Sequence in context: A014103 A000552 A125436 this_sequence A053215 A004413 A069779`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 13 2004`

page 1

Search completed in 0.002 seconds

Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research