id:A056450 - OEIS Search Results

Search: id:A056450

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Palindromes using a maximum of four different symbols.

+0
14

4, 4, 16, 16, 64, 64, 256, 256, 1024, 1024, 4096, 4096, 16384, 16384, 65536, 65536, 262144, 262144, 1048576, 1048576, 4194304, 4194304, 16777216, 16777216, 67108864, 67108864, 268435456, 268435456 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.`
	FORMULA	`4^[(n+1)/2].`
	CROSSREFS	`Cf. A016116.` `Sequence in context: A160020 A075882 A125757 this_sequence A141125 A164111 A164906` `Adjacent sequences: A056447 A056448 A056449 this_sequence A056451 A056452 A056453`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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