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A084625 Binomial transform of A084624. 1
1, 3, 8, 21, 55, 143, 366, 919, 2265, 5491, 13125, 31000, 72485, 168042, 386709, 884161, 2009742, 4543830, 10222264, 22891099, 51041560, 113359224, 250839510, 553173006, 1216070081, 2665518207, 5826533103, 12703217438, 27628250142 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

FORMULA

a(n)=sum{k=0..n, C(n, k)floor(C(k+5, 5)/C(k+2, 2)) }

CROSSREFS

Sequence in context: A231222 A231436 A027932 * A088305 A001906 A278613

Adjacent sequences:  A084622 A084623 A084624 * A084626 A084627 A084628

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jun 01 2003

STATUS

approved

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Last modified February 25 06:31 EST 2018. Contains 299643 sequences. (Running on oeis4.)