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A084626 Floor(C(n+6,6)/C(n+2,2)). 3
1, 2, 4, 8, 14, 22, 33, 47, 66, 91, 121, 158, 204, 258, 323, 399, 487, 590, 708, 843, 996, 1170, 1365, 1583, 1827, 2097, 2397, 2728, 3091, 3490, 3927, 4403, 4921, 5483, 6092, 6751, 7462, 8227, 9050, 9933, 10879, 11891, 12972, 14125, 15353, 16660, 18048 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = floor(n^4/360+n^3/20+119*n^2/360+19*n/20)+1

MATHEMATICA

Table[Floor[n^4 / 360 + n^3 / 20 + 119 n^2 / 360 + 19 n / 20] + 1, {n, 0, 50}] (* Vincenzo Librandi, Aug 02 2013 *)

PROG

(MAGMA) [Floor(n^4/360+n^3/20+119*n^2/360+19*n/20)+1: n in [0..50]]; // Vincenzo Librandi, Aug 02 2013

CROSSREFS

Cf. A084627, A084624, A011865.

Sequence in context: A155506 A014206 A025196 * A090533 A025003 A087151

Adjacent sequences:  A084623 A084624 A084625 * A084627 A084628 A084629

KEYWORD

nonn,easy

AUTHOR

Paul Barry, Jun 01 2003

STATUS

approved

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Last modified April 15 01:24 EDT 2021. Contains 342974 sequences. (Running on oeis4.)