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A082020

Decimal expansion of 15/Pi^2.

+0
12

1, 5, 1, 9, 8, 1, 7, 7, 5, 4, 6, 3, 5, 0, 6, 6, 5, 7, 1, 6, 5, 8, 1, 9, 1, 9, 4, 8, 1, 4, 5, 9, 1, 4, 5, 8, 3, 5, 6, 5, 3, 8, 1, 6, 2, 0, 0, 8, 3, 6, 9, 8, 2, 3, 2, 6, 8, 4, 1, 3, 5, 4, 7, 8, 4, 1, 2, 5, 9, 6, 8, 1, 4, 4, 3, 3, 5, 3, 1, 6, 1, 7, 8, 6, 8, 1, 3, 9, 1, 0, 8, 8, 8, 4, 3, 2, 7, 5, 6 (list; cons; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`S. Ramanujan, Irregular numbers, J. Indian Math. Soc., 5 (1913), 105-106; Coll. Papers 20-21.`
	LINKS	`S. Ramanujan, Irregular numbers` `Eric Weisstein's World of Mathematics, Prime Sums` `Eric Weisstein's World of Mathematics, Moebius Function` `Eric Weisstein's World of Mathematics, Prime Products`
	FORMULA	`Product_{n >= 1} (1+1/prime(n)^2) = 15/Pi^2. - Ramanujan`
	EXAMPLE	`1.51981775463506657...`
	CROSSREFS	`Sequence in context: A154605 A114594 A021662 this_sequence A147406 A147354 A134233` `Adjacent sequences: A082017 A082018 A082019 this_sequence A082021 A082022 A082023`
	KEYWORD	`nonn,cons`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 09 2003`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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