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A194122 Triangular array: T(n,k) = C(n+4,k) + C(n+4,k+1) + C(n+4,k+2) + C(n+4,k+3) + C(n+4,k+4), 0 <= k <= n. 2
16, 31, 31, 57, 62, 57, 99, 119, 119, 99, 163, 218, 238, 218, 163, 256, 381, 456, 456, 381, 256, 386, 637, 837, 912, 837, 637, 386, 562, 1023, 1474, 1749, 1749, 1474, 1023, 562, 794, 1585, 2497, 3223, 3498, 3223, 2497, 1585, 794, 1093, 2379, 4082 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
EXAMPLE
Triangle begins:
16;
31, 31;
57, 62, 57;
99, 119, 119, 99;
163, 218, 238, 218, 163;
MAPLE
A194122 := proc(n, k) add(binomial(n+4, k+j), j=0..4) ; end proc: # R. J. Mathar, Aug 25 2011
MATHEMATICA
T[n_, k_] := Sum[Binomial[n + 4, k + j], {j, 0, 4}]
Flatten[Table[T[n, k], {n, 0, 10}, {k, 0, n}]]
(* as a sequence *)
TableForm[Table[T[n, k], {n, 0, 10}, {k, 0, n}]]
(* as an array *)
PROG
(GAP) Flat(List([0..9], n->List([0..n], k->Sum([0..4], j->Binomial(n+4, k+j))))); # Muniru A Asiru, Mar 17 2019
CROSSREFS
Cf. A192915.
Sequence in context: A186453 A129617 A221257 * A257349 A167997 A185979
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Aug 16 2011
STATUS
approved

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Last modified June 15 22:50 EDT 2024. Contains 373412 sequences. (Running on oeis4.)