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A346122
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n times the n-th digit of the decimal expansion of Pi.
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0
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3, 2, 12, 4, 25, 54, 14, 48, 45, 30, 55, 96, 117, 98, 135, 48, 34, 54, 152, 80, 126, 44, 138, 96, 75, 78, 216, 84, 58, 210, 279, 160, 0, 68, 280, 288, 148, 38, 351, 280, 41, 252, 387, 132, 405, 414, 141, 336, 245, 50, 0, 260, 424, 108, 0, 504, 399, 232, 531
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OFFSET
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1,1
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LINKS
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EXAMPLE
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The first digit of the decimal expansion of Pi is 3, so a(1) = 1*3 = 3.
The second digit of the decimal expansion of Pi is 1, so a(2) = 2*1 = 2.
The third digit of the decimal expansion of Pi is 4, so a(3) = 3*4 = 12.
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MATHEMATICA
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Module[{nn=120, pid}, pid=RealDigits[Pi, 10, nn][[1]]; Table[n pid[[n]], {n, nn}]]
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PROG
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(Python)
from sympy import S
def aupton(terms):
digits_of_pi = "0" + str(S.Pi.n(terms+1)).replace('.', '')
return [n*int(digits_of_pi[n]) for n in range(1, terms+1)]
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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