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A297630 Row sums of A297628. 1
1, 2, 5, 20, 137, 1478, 22925, 481448, 13138193, 451749962, 19104365333, 974417603132, 58981977530777, 4179837144348686, 342799255549127837, 32212592211380729168, 3438255899105307857441, 413670348773363088131474, 55722273751954119897519653 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Apparently (apart from offset) the same as A297629, essentially column 1 of A297628 - R. J. Mathar, Jan 09 2018
LINKS
PROG
(Julia)
function A297630List(len::Int)
R = Array{BigInt}(len)
A = fill(BigInt(0), len+1); A[1] = 1
for n in 1:len
for k in n:-1:2 A[k] += A[k+1] end
for k in 2: 1:n A[k] += A[k-1] end
R[n] = sum(A[1:n])
end
return R
end
println(A297630List(19))
CROSSREFS
Sequence in context: A156073 A006366 A012317 * A297629 A118181 A140988
KEYWORD
nonn
AUTHOR
Peter Luschny, Jan 02 2018
STATUS
approved

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)