id:A077320 - OEIS Search Results

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Triangle in which n-th row contains n smallest multiples of the n-th prime.

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2

2, 3, 6, 5, 10, 15, 7, 14, 21, 28, 11, 22, 33, 44, 55, 13, 26, 39, 52, 65, 78, 17, 34, 51, 68, 85, 102, 119, 19, 38, 57, 76, 95, 114, 133, 152, 23, 46, 69, 92, 115, 138, 161, 184, 207, 29, 58, 87, 116, 145, 174, 203, 232, 261, 290 (list; table; graph; listen)

	OFFSET	`1,1`
	COMMENT	`(0) A000040 gives (primes) initial terms of rows. (1) A033286 contains the final terms of rows. (2) Sum of the n-th row = prime(n)* triangular number(n), by definition. (3) a(triangular number(n) + 1) = prime(n+1), by definition.`
	CROSSREFS	`Cf. A033286, A000040.` `Sequence in context: A064924 A055944 A073740 this_sequence A019565 A133477 A039653` `Adjacent sequences: A077317 A077318 A077319 this_sequence A077321 A077322 A077323`
	KEYWORD	`easy,nonn,tabl`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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