A371749 - OEIS

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A371749

Decimal expansion of Product_{k>=0} 1 / (1 + 1/4^k).

3, 6, 8, 7, 5, 6, 1, 2, 7, 0, 7, 6, 9, 0, 0, 5, 6, 2, 7, 5, 0, 8, 4, 5, 6, 7, 2, 2, 8, 0, 8, 1, 9, 9, 1, 5, 4, 8, 2, 3, 4, 5, 1, 7, 9, 9, 3, 7, 7, 2, 5, 5, 6, 2, 1, 4, 5, 7, 1, 2, 5, 1, 8, 3, 4, 8, 2, 0, 1, 5, 2, 5, 6, 3, 3, 8, 8, 4, 1, 8, 4, 1, 2, 8, 9, 5, 9, 5, 4, 3, 5, 4, 4, 3, 4, 5, 0, 1, 1, 3

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..99.

FORMULA

Equals A273413^2. - Hugo Pfoertner, Apr 05 2024

EXAMPLE

0.368756127076900562750845672280819915482...

MATHEMATICA

RealDigits[1/QPochhammer[-1, 1/4], 10, 100][[1]]

CROSSREFS