A071886 Trajectory of 41 under map x -> A002487(x)*A002487(x+1).

41, 88, 85, 273, 456, 370, 897, 418, 943, 561, 1240, 2457, 13860, 47652, 208380, 234724, 1687203, 8509066, 67089945, 13299944, 72454532, 940541150, 820208766, 5192523560, 13313765208, 46414871454, 6589784048694, 93614939731600

Offset

0,1

Links

Table of n, a(n) for n=0..27.

Crossrefs

Cf. A002487, A071885, A071884, A071887.

Sequence in context: A067378 A331031 A171138 * A276302 A087939 A242708

Adjacent sequences: A071883 A071884 A071885 * A071887 A071888 A071889

Keyword

nonn

Author

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

Status

approved