A002818 Nearest integer to exp n^2.

1, 3, 55, 8103, 8886111, 72004899337, 4311231547115195, 1907346572495099690525, 6235149080811616882909238709, 150609731458503054835259413016767498, 26881171418161354484126255515800135873611119, 35451311827611664751894074212478186938177865767023505

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

References

• Federal Works Agency, Work Projects Administration for the City of NY, Tables of the Exponential Function. National Bureau of Standards, Washington, DC, 1939.
• A. Fletcher, J. C. P. Miller, L. Rosenhead and L. J. Comrie, An Index of Mathematical Tables. Vols. 1 and 2, 2nd ed., Blackwell, Oxford and Addison-Wesley, Reading, MA, 1962, Vol. 1, p. 230.
• 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).

Programs

Mathematica

Round[Exp[Range[0,20]^2]] (* Harvey P. Dale, Oct 12 2015 *)

Extensions

More terms from Harvey P. Dale, Oct 12 2015