id:A055966 - OEIS Search Results

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n + reversal of base 20 digits of n (written in base 10).

+0
1

0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`If n has an even number of base 20 digits then a(n) is a multiple of 21`
	FORMULA	`a(n) =n+A056963(n)`
	CROSSREFS	`Cf. A056964.` `Sequence in context: A092451 A055962 A055964 this_sequence A087113 A004275 A119432` `Adjacent sequences: A055963 A055964 A055965 this_sequence A055967 A055968 A055969`
	KEYWORD	`base,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jul 18 2000`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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