id:A046948 - OEIS Search Results

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Sizes of successive balls in E_8 lattice.

+0
2

1, 241, 2401, 9121, 26641, 56881, 117361, 199921, 340321, 522001, 794161, 1113841, 1604401, 2131921, 2874961, 3721681, 4845121, 6024481, 7659601, 9306001, 11513521, 13825201, 16702321, 19622641, 23553841, 27334081 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) B=1; th=[ 1 ]; bl=[ 1 ]; for (n=1, 10000, t1=divisors(n); t2=0; for (i=1, length(t1), t2=t2+t1[ i ]^3); t3=240*t2; th=concat(th, t3); B=B+t3; bl=concat(bl, B)); th; bl;`
	CROSSREFS	`Partial sums of A004009.` `Sequence in context: A142856 A142452 A119596 this_sequence A006687 A060893 A007205` `Adjacent sequences: A046945 A046946 A046947 this_sequence A046949 A046950 A046951`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research