| a(11) = 9 because 2+2= 4 starting a new array. The arrays begin as follows:
1.....2.....3.....5......7......11.....15.....22
......2.....4.....7......12.....19.....30.....45
............5.....11.....21.....38.....64.....105
..................15.....36.....74.....141.....250
.........................52.....135.....296.....592
................................203....566.....1315
........................................877.....2610
................................................4140
..................9......16.....29.....47.......77
.........................26.....52.....98.....171
................................92.....198.....392
.......................................371.....850
..............................................1663
................................31.....57.....97
.......................................109.....212
..............................................444
...............................66.....137.....269
......................................249.....560
.............................................1075
.............................................109
.............................................300
.............................................712
which sums to
1.....4....12....47....170....750....3255.....16010
| 