A352180 a(n) = 9*A006190(n)+1.

1, 10, 28, 91, 298, 982, 3241, 10702, 35344, 116731, 385534, 1273330, 4205521, 13889890, 45875188, 151515451, 500421538, 1652780062, 5458761721, 18029065222, 59545957384, 196666937371, 649546769494, 2145307245850, 7085468507041

Offset

0,2

References

L.-N. Machaut, Query 3436, L'Intermédiaire des Mathématiciens, 16 (1909), 62-63.

Links

Table of n, a(n) for n=0..24.

Crossrefs

Cf. A006190.

Sequence in context: A126364 A076712 A116973 * A350990 A264579 A003665

Adjacent sequences: A352177 A352178 A352179 * A352181 A352182 A352183

Keyword

nonn

Author

N. J. A. Sloane, Mar 08 2022

Status

approved