A156142 - OEIS

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A156142

P_n(1) + Q_n(1) (see A155100 and A104035), defining Q_{-1} = 0.

1, 2, 3, 7, 27, 137, 873, 6667, 59427, 605297, 6936273, 88315027, 1236909627, 18898578857, 312811478073, 5575974948187, 106493278764627, 2169463248814817, 46958188870266273, 1076202413702266147, 26035005959162168427, 662975982648919697177, 17726672005071080580873 (list; graph; refs; listen; history; internal format)

	OFFSET	`-1,2`
	CROSSREFS	`For P_n(1) - Q_n(1) see A007836.` `For P_n(0) + Q_n(0) see A000111.` `For P_n(1) * Q_n(1) see A156143.` `Sequence in context: A089708 A107881 A128001 * A052877 A137075 A060412` `Adjacent sequences: A156139 A156140 A156141 * A156143 A156144 A156145`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 06 2009`

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Last modified February 14 02:39 EST 2012. Contains 205567 sequences.