A073934 - OEIS

This site is supported by donations to The OEIS Foundation.

A073934

Sum of terms in n-th row of triangle in A073932.

1, 3, 6, 7, 12, 12, 19, 15, 21, 22, 33, 24, 37, 33, 37, 31, 48, 39, 58, 42, 54, 55, 78, 48, 67, 63, 66, 61, 90, 67, 98, 63, 88, 82, 96, 75, 112, 96, 102, 82, 123, 96, 139, 99, 112, 124, 171, 96, 145, 117, 133, 115, 168, 120, 154, 117, 153, 148, 207, 127, 188, 160 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MAPLE	`a[1] := 1:for i from 2 to 500 do n := i:s := n:while(n>1) do if isprime(n) then r := n-1: else r := n-n/ifactors(n)[2][1][1]; fi; n := r:s := s+n:od:a[i] := s:od:seq(a[k], k=1..500);`
	CROSSREFS	`Cf. A073932, A073933, A073935.` `Sequence in context: A084125 A053478 A138037 * A092150 A028802 A141742` `Adjacent sequences: A073931 A073932 A073933 * A073935 A073936 A073937`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 19 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Aug 23 2002`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 17:27 EST 2012. Contains 205644 sequences.