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A351628 Partial sums of A352717. 0

%I #15 Jun 09 2022 11:34:27

%S 1,2,5,9,13,17,24,31,38,45,56,67,78,89,100,111,122,140,158,176,194,

%T 212,230,248,266,284,302,320,349,378,407,436,465,494,523,552,581,610,

%U 639,668,697,726,755,784,813,842,889,936,983,1030,1077,1124,1171,1218

%N Partial sums of A352717.

%t Accumulate[Flatten[Map[ConstantArray[LucasL[#],LucasL[#-1]]&,Range[15]]]] (* _Peter J. C. Moses_, May 02 2022 *)

%o (Python)

%o from itertools import islice

%o def A351628_gen(): # generator of terms

%o a, b, c = 1, 3, 0

%o while True:

%o yield from (c+i*a for i in range(1,b-a+1))

%o a, b, c = b, a+b, c + a*(b-a)

%o A351628_list = list(islice(A351628_gen(),40)) # _Chai Wah Wu_, Jun 09 2022

%Y Cf. A087172, A130473, A353717.

%K nonn

%O 1,2

%A _Clark Kimberling_, May 04 2022

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Last modified September 13 22:05 EDT 2024. Contains 375910 sequences. (Running on oeis4.)