id:A052081 - OEIS Search Results

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A052081

Numbers n with property that n^2 is a square whose decimal expansion digits are grouped together.

+0
6

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 76, 78, 79, 80, 82, 83 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`E.g. 81^2 = 6561 is not OK since the two digits 6 are separated by the 5. Square 88^2 or 7744 is OK since digits 7 and 4 are grouped.`
	CROSSREFS	`Cf. A052082, A052085, A052086, A052083, A052084.` `Sequence in context: A160542 A010784 A059543 this_sequence A031995 A023752 A048737` `Adjacent sequences: A052078 A052079 A052080 this_sequence A052082 A052083 A052084`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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