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A048208 a(n) = T(2n-1,n), array T given by A048201. 0
1, 6, 17, 37, 63, 98, 139, 186, 240, 298, 359, 431, 505, 589, 683, 779, 892, 1018, 1150, 1288, 1431, 1593, 1762, 1949, 2151, 2366, 2591, 2823, 3061, 3304, 3557, 3820, 4095, 4367, 4645, 4930, 5222, 5530, 5851, 6176, 6517, 6868, 7222, 7582, 7952, 8331, 8710 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..47.

FORMULA

a(n) = A004978(2*n) - A004978(n). - Sean A. Irvine, Jun 05 2021

CROSSREFS

Cf. A004978.

Sequence in context: A084990 A024181 A023663 * A212980 A132127 A023621

Adjacent sequences: A048205 A048206 A048207 * A048209 A048210 A048211

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Jun 05 2021

STATUS

approved

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Last modified March 29 22:15 EDT 2023. Contains 361599 sequences. (Running on oeis4.)