A002099 G.f.: -1 + Product_{k>=1} (1 + prime(k)*x^prime(k)).
0, 0, 2, 3, 0, 11, 0, 17, 15, 14, 51, 11, 77, 35, 103, 131, 160, 227, 330, 218, 426, 794, 426, 1533, 641, 2072, 2071, 2491, 4381, 3880, 3925, 6079, 5446, 7914, 14017, 10421, 19768, 15486, 30589, 31901, 46119, 50917, 65574, 48002, 85155, 112648, 115127, 150995
Offset: 0
Keywords
References
- S. M. Kerawala, On a Pair of Arithmetic Functions Analogous to Chawla's Pair, J. Natural Sciences and Mathematics, 9 (1969), circa p. 103.
- N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
- N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Links
- T. D. Noe, Table of n, a(n) for n = 0..500
Crossrefs
Cf. A002098.
Extensions
Better description and more terms from Vladeta Jovovic, May 09 2003