id:A069753 - OEIS Search Results

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Smallest k>n such that the tetrahedral number n*(n+1)*(n+2)/6 divides the tetrahedral number k*(k+1)*(k+2)/6.

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2, 4, 4, 8, 13, 14, 26, 54, 43, 20, 64, 26, 63, 48, 118, 270, 151, 170, 55, 54, 229, 207, 274, 350, 323, 350, 376, 174, 433, 928, 494, 1054, 119, 440, 259, 664, 701, 208, 778, 328, 859, 516, 944, 504, 1033, 2160, 1126, 2350, 1223, 1274, 1324, 1376, 1429, 350 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) for(s=1, 80, n=s+1; while(frac(n(n+1)(n+2)/(s(s+1)(s+2)))>0, n++); print1(n, ", "); )`
	CROSSREFS	`Sequence in context: A135268 A131771 A047073 this_sequence A089887 A161816 A160124` `Adjacent sequences: A069750 A069751 A069752 this_sequence A069754 A069755 A069756`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 01 2002`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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