id:A061859 - OEIS Search Results

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Differences between the ordinary multiplication table A004247 and Xmult table A048720, computed for {3..n} * {3..n}.

+0
2

4, 0, 0, 0, 0, 0, 8, 0, 0, 8, 12, 0, 8, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 8, 16, 8, 0, 0, 0, 0, 0, 24, 24, 0, 0, 0, 4, 0, 0, 0, 28, 0, 0, 0, 4, 16, 0, 16, 0, 0, 0, 0, 16, 0, 16, 16, 0, 16, 0, 0, 0, 0, 0, 16, 0, 16, 24, 0, 0, 8, 16, 0, 0, 16, 8, 0, 0, 24, 28, 0, 8, 32, 28, 0, 16, 0, 28, 32, 8, 0, 28 (list; table; graph; listen)

	OFFSET	`0,1`
	MAPLE	`[seq(diff_mult_Xmult_table3(j), j=0..119)]; diff_mult_Xmult_table3 := (n) -> (mult_table3(n) - Xmult_table3(n));` `mult_table3 := (n) -> floor(evalf(((((trinv(n)-1)(((1/2)trinv(n))+1))-n)+3) * (3+(n-((trinv(n)(trinv(n)-1))/2))) ));` `Xmult_table3 := (n) -> Xmult( ((((trinv(n)-1)(((1/2)trinv(n))+1))-n)+3), (3+(n-((trinv(n)(trinv(n)-1))/2))) );`
	CROSSREFS	`Cf. "Zoomed out" variant: A061858, trinv given at A054425. The first, third and fifth diagonals are given by A048728-A048730.` `Sequence in context: A075444 A089371 A133886 this_sequence A108708 A005925 A070206` `Adjacent sequences: A061856 A061857 A061858 this_sequence A061860 A061861 A061862`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Antti Karttunen May 11 2001`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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