

A202493


Column k = 4 of triangular array in A165241.


1



1, 15, 105, 532, 2241, 8361, 28610, 91740, 279624, 818272, 2315712, 6372480, 17123840, 45082368, 116596224, 296879104, 745543680, 1849344000, 4536958976, 11020075008, 26526547968, 63329075200, 150057123840
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OFFSET

0,2


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (10,40,80,80,32).


EXAMPLE

a(n) = A165241(n+4,4).
G.f.: (1+5x5x^2+2x^3+x^4x^5)/(12x)^5.
a(n) = 2^n*(n+4)*(27*n^3+126*n^2+169*n+62)/256 for n>0.  Bruno Berselli, Dec 21 2011


CROSSREFS

Cf. A011782, A084858, A202480, A202481.
Sequence in context: A006857 A000478 A055848 * A200852 A266503 A058085
Adjacent sequences: A202490 A202491 A202492 * A202494 A202495 A202496


KEYWORD

nonn,easy


AUTHOR

Philippe Deléham, Dec 20 2011


EXTENSIONS

a(12) added by Bruno Berselli, Dec 21 2011


STATUS

approved



