A371750 Decimal expansion of Product_{k>=1} 1 / (1 - 1/5^k).

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

Offset: 1

Author

Ilya Gutkovskiy, Apr 05 2024

Keywords

• nonn
• cons
• changed

Examples

			1.3152135557353452193080945851009617844...
		

Links

• Kelvin Voskuijl, Table of n, a(n) for n = 1..20000

Crossrefs

Cf. A000351, A065446, A100222, A370466, A371747, A371751, A371752.

Programs

Mathematica

RealDigits[1/QPochhammer[1/5, 1/5], 10, 100][[1]]

Formula

Equals 1 / A100222.