id:A072387 - OEIS Search Results

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Triangular number x such that x + reverse of x is a prime.

+0
1

1, 10, 190, 11026, 11476, 12880, 13366, 19306, 21115, 23005, 26335, 28441, 36046, 53956, 54946, 58996, 60031, 65341, 68635, 70876, 72010, 83845, 91378, 1030330, 1047628, 1095940, 1100386, 1154440, 1205128, 1209790, 1223830, 1242676 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`10 is a term because it is triangular number and 10+01=11 is prime.`
	CROSSREFS	`Sequence in context: A131521 A113373 A045756 this_sequence A134633 A006436 A007816` `Adjacent sequences: A072384 A072385 A072386 this_sequence A072388 A072389 A072390`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 20 2002`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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