id:A153339 - OEIS Search Results

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Number of zig-zag paths from top to bottom of a rectangle of width 5 with n rows whose color is that of the top right corner

+0
1

3, 4, 8, 12, 24, 36, 72, 108, 216, 324, 648, 972, 1944, 2916, 5832, 8748, 17496, 26244, 52488, 78732, 157464, 236196, 472392, 708588, 1417176, 2125764, 4251528, 6377292, 12754584, 19131876, 38263752, 57395628, 114791256, 172186884 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Joseph Myers, BMO 2008--2009 Round 1 Problem 1---Generalisation`
	FORMULA	`a(2n) = 43^(n-1), a(1) = 3, a(2n+1) = 83^(n-1) for n >= 1`
	CROSSREFS	`Sequence in context: A147622 A052952 A074331 this_sequence A033955 A049720 A078172` `Adjacent sequences: A153336 A153337 A153338 this_sequence A153340 A153341 A153342`
	KEYWORD	`easy,nonn`
	AUTHOR	`Joseph Myers (jsm(AT)polyomino.org.uk), Dec 24 2008`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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