A071885 - OEIS

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A071885

Trajectory of 38 under map x -> A002487(x)*A002487(x+1).

3

38, 70, 117, 198, 368, 210, 558, 1312, 693, 3920, 2438, 6900, 17138, 43792, 105939, 553150, 862695, 5466578, 262720694, 8088309190, 155799611901, 2918284055518, 415202250061643, 1166813484199476, 224311803609338424

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Cf. A002487, A071884, A071886, A071887.

Sequence in context: A321997 A343974 A335483 * A032506 A044104 A044485

Adjacent sequences: A071882 A071883 A071884 * A071886 A071887 A071888

KEYWORD

nonn

AUTHOR

N. J. A. Sloane and J. H. Conway, Jun 10 2002

STATUS

approved