A259868 a(n) = n*A004141(n).

1, 4, 24, 192, 1280, 7680, 48384, 315392, 1916928, 11182080, 72089600, 441188352, 2589982720, 15863644160, 97493975040, 578813952000, 3411143557120, 21023026053120, 125795699785728, 733623363829760, 4459657816965120, 26839963597275136, 157885776644800512

Offset

1,2

Links

Table of n, a(n) for n=1..23.

D. W. Kammler and R. J. McGlinn, Local conditioning of parametric forms used to approximate continuous functions, Amer. Math. Monthly, 86 (1979), 841-845.

D. W. Kammler and R. J. McGlinn, Local conditioning of parametric forms used to approximate continuous functions, Amer. Math. Monthly, 86 (1979), 841-845. [Annotated scan of page 843 only]

Crossrefs

Cf. A004140.

Sequence in context: A367144 A193854 A199540 * A036691 A349514 A365293

Adjacent sequences: A259865 A259866 A259867 * A259869 A259870 A259871

Keyword

nonn

Author

N. J. A. Sloane, Jul 09 2015

Status

approved