A371747 - OEIS

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A371747

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

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

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..100.

FORMULA

Equals 1 / A100221.

EXAMPLE

1.4523536424495970158347130224852748733612...

MATHEMATICA

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

CROSSREFS