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A086352 Main diagonal of square array A086350. 2

%I

%S 1,2,10,74,740,9354,143144,2573586,53180944,1242078802,32358633632,

%T 930370449370,29264294868544,999646208968666,36852747307934336,

%U 1458402092927302178,61665517131334975744,2774522039432235946914

%N Main diagonal of square array A086350.

%F a(n)=((1+sqrt(2))(n+sqrt(2))^n-(1-sqrt(2))(n-sqrt(2))^n)/sqrt(8).

%Y Cf. A000169.

%K easy,nonn

%O 0,2

%A _Paul Barry_, Jul 18 2003

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Last modified October 7 14:13 EDT 2022. Contains 357271 sequences. (Running on oeis4.)