id:A072386 - OEIS Search Results

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Primes which can be represented as the sum of a triangular number and its reverse.

+0
2

2, 11, 281, 21701, 42923, 72227, 73037, 78887, 79697, 100109, 119891, 122321, 128981, 138683, 178697, 1360631, 1394831, 1591841, 1598951, 1607051, 1958591, 1982891, 2188811, 2401031, 2490941, 2793071, 3382733, 3555443, 3586853 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`11 is a term because it is prime and it is the sum of triangular number 10 and its reverse 01.`
	CROSSREFS	`Sequence in context: A134096 A132571 A102031 this_sequence A015180 A145512 A013046` `Adjacent sequences: A072383 A072384 A072385 this_sequence A072387 A072388 A072389`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 20 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research