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A297629 a(n) = A297628(n,1). 2

%I #3 Jan 02 2018 11:24:11

%S 0,1,2,5,20,137,1478,22925,481448,13138193,451749962,19104365333,

%T 974417603132,58981977530777,4179837144348686,342799255549127837,

%U 32212592211380729168,3438255899105307857441,413670348773363088131474,55722273751954119897519653,8352810415786907670280952420

%N a(n) = A297628(n,1).

%o (Julia)

%o function A297629List(len::Int)

%o R = Array{BigInt}(len)

%o A = fill(BigInt(0), len+1); A[1] = 1

%o for n in 1:len

%o for k in n:-1:2 A[k] += A[k+1] end

%o for k in 2: 1:n A[k] += A[k-1] end

%o R[n] = A[2]

%o end

%o return R

%o end

%o println(A297629List(20))

%Y Cf. A297628.

%K nonn

%O 0,3

%A _Peter Luschny_, Jan 02 2018

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)