%I #17 Oct 09 2020 17:20:17
%S 2,4,6,8,10,14,13,15,19,24,23,25,29,34,44,31,33,37,42,52,60,48,50,54,
%T 59,69,77,94,62,64,68,73,83,91,108,122,86,88,92,97,107,115,132,146,
%U 170,114,116,120,125,135,143,160,174,198,226,127,129,133,138,148,156,173,187,211,239,252
%N Triangular array read by rows: T(n,k) = A337946(n) + A337946(k), for 1 <= k <= n.
%C This sequence, A337947, and A337974 partition the positive integers.
%H Peter Kagey, <a href="/A337972/b337972.txt">Table of n, a(n) for n = 1..10011</a> (first 141 rows, flattened)
%e Addition table for A337946 begins:
%e + | 1 3 7 12 22 30 47 61 85
%e -----+--------------------------------
%e 1 | 2
%e 3 | 4 6
%e 7 | 8 10 14
%e 12 | 13 15 19 24
%e 22 | 23 25 29 34 44
%e 30 | 31 33 37 42 52 60
%e 47 | 48 50 54 59 69 77 94
%e 61 | 62 64 68 73 83 91 108 122
%e 85 | 86 88 92 97 107 115 132 146 170
%Y Cf. A337659, A337946, A338014, A338031.
%Y Cf. A337973 (read by antidiagonals), A337974 (multiplication table).
%K nonn,tabl
%O 1,1
%A _Peter Kagey_, Oct 05 2020