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A268234
Partial sums of A047999.
1
1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 11, 12, 13, 13, 13, 14, 15, 16, 16, 17, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 28, 28, 28, 28, 28, 28, 28, 29, 30, 31, 31, 31, 31, 31, 31, 31, 32, 33, 34, 34, 35, 35, 35, 35, 35, 35, 36, 36, 37, 38, 39, 40, 41, 41, 41, 41, 41, 42, 43, 44, 45, 46
OFFSET
0,2
LINKS
MAPLE
A268234 := proc(n)
local r, c, a, k ;
a := 0;
r :=0;
c :=0;
for k from 0 to n do
a := a+A047999(r, c) ;
c := c+1 ;
if c > r then
c :=0 ;
r := r+1;
end if;
end do:
a;
end proc: # R. J. Mathar, May 06 2016
MATHEMATICA
rows = 14;
ca = CellularAutomaton[60, {{1}, 0}, rows - 1];
Table[ca[[k, 1 ;; k]], {k, 1, rows}] // Flatten // Accumulate (* Jean-François Alcover, Apr 07 2020 *)
CROSSREFS
Cf. A047999. A268233 is a more informative version of the same data.
Sequence in context: A172266 A362949 A056847 * A253188 A320847 A105598
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 03 2016
STATUS
approved