A248674 Decimal expansion of the solution to the Lane-Emden equation for a sphere of polytropic index n = 4.

1, 7, 9, 7, 2, 2, 9, 9, 1, 4, 4

Offset: 1

Author

Arkadiusz Wesolowski, Oct 11 2014

Keywords

• nonn
• cons
• more

Examples

			1.7972299144...
		

References

• Steven R. Finch, Mathematical Constants II, Cambridge University Press, 2018, section 2.14, pp. 338-339.
• Eric Poisson and Clifford M. Will, Gravity: Newtonian, Post-Newtonian, Relativistic, Cambridge University Press, 2014, p. 74.

Links

• Wikipedia, Lane-Emden equation.

Crossrefs

Cf. A002194 (n=0), A000796 (n=1), A248672 (n=2), A248673 (n=3), A002194 (n=5).

Extensions

a(6) corrected and more terms added from Finch (2018) by Amiram Eldar, May 15 2021