A352418 Decimal expansion of the sum of the reciprocals of the highly composite numbers.
2, 1, 3, 2, 8, 7, 2, 8, 2, 3, 5, 2, 5, 8, 1, 2, 0, 1, 0, 3, 4, 3, 8, 7, 8, 4, 1, 1, 8, 3, 0, 5, 1, 8, 7, 7, 9, 0, 7, 2, 8, 8, 8, 0, 6, 8, 9, 5, 9, 3, 3, 7, 0, 5, 4, 3, 2, 0, 3, 3, 0, 8, 7, 4, 3, 7, 3, 7, 8, 5, 9, 9, 2, 4, 0, 9, 3, 3, 7, 7, 0, 9, 2, 1, 7, 9, 9, 0, 3, 0, 6, 5, 3, 2, 5, 6, 1, 1, 9, 2, 0, 0, 2, 7, 7, 0, 4
Offset: 1
Examples
1/1 + 1/2 + 1/4 + 1/6 + 1/12 + 1/24 + 1/36 + 1/48 + ... = 2.13287282352581201034387841183051877907288806895933...
Links
- Johan Lindgren, Table of n, a(n) for n = 1..1100
Crossrefs
Cf. A002182.
Formula
Equals Sum_{n>=1} 1/A002182(n).