A102865 - OEIS

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A102865

Base 4 digits are, in order, the first n terms of the sequence (1, 3, 21, 203, 2021, 20203, 202021, 2020203, 20202021, 202020203, ... ).

1, 3, 9, 35, 137, 547, 2185, 8739, 34953, 139811, 559241, 2236963, 8947849, 35791395, 143165577, 572662307, 2290649225, 9162596899, 36650387593 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`4^(n+1) = a(n+1) + A037576(n+1)_1 = (1/2)(a(n+2) - a(n)); a(n) + a(n+1) = A039301(n+2)`
	PROG	`Floretion Algebra Multiplication Program, FAMP Code: 1tesforseq[ + j' - k' + 'ii' - 'ij' - 'ik' ], 1vesforseq(n) = 4^n, 1lesforseq = A037576, apart from initial term. ForType 1A.`
	CROSSREFS	`Cf. A037576.` `Sequence in context: A149017 A149018 A149019 * A046697 A151045 A074507` `Adjacent sequences: A102862 A102863 A102864 * A102866 A102867 A102868`
	KEYWORD	`base,easy,nonn,uned`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Mar 01 2005`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.