A013898 - OEIS

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A013898

21^(5n+1).

21, 85766121, 350277500542221, 1430568690241985328321, 5842587018385982521381124421, 23861715484377209601555171628930521, 97453656071460446110921078004886769746621, 398010574215107679422058885600836061208944572721, 1625515384162495488635310116741260158419511738394408821 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`a(n) mod 10 == 1 (the least significant decimal digit of each term is 1).`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..50` `Tanya Khovanova, Recursive Sequences`
	FORMULA	`a(n) = 4084101*a(n-1), a(0)=21. [Vincenzo Librandi, May 27 2011]`
	PROG	`(MAGMA) [21^(5*n+1): n in [0..10]]; // Vincenzo Librandi, May 27 2011`
	CROSSREFS	`Sequence in context: A033636 A138080 A013814 * A180727 A062012 A104786` `Adjacent sequences: A013895 A013896 A013897 * A013899 A013900 A013901`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.