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%I #14 Oct 09 2020 03:37:02
%S 0,3,6,4,7,8,10,13,14,20,18,21,22,28,36,23,26,27,33,41,46,34,37,38,44,
%T 52,57,68,55,58,59,65,73,78,89,110,67,70,71,77,85,90,101,122,134,93,
%U 96,97,103,111,116,127,148,160,186,95,98,99,105,113,118,129,150,162,188,190
%N Triangular array read by rows: T(n,k) = A338012(n) + A338012(k) for 1 <= k <= n.
%H Peter Kagey, <a href="/A338014/b338014.txt">Table of n, a(n) for n = 1..10011</a> (first 141 rows, flattened)
%e Addition table begins:
%e + | 0 3 4 10 18 23 34 55 67
%e -----+-------------------------------
%e 0 | 0
%e 3 | 3 6
%e 4 | 4 7 8
%e 10 | 10 13 14 20
%e 18 | 18 21 22 28 36
%e 23 | 23 26 27 33 41 46
%e 34 | 34 37 38 44 52 57 68
%e 55 | 55 58 59 65 73 78 89 110
%e 67 | 67 70 71 77 85 90 101 122 134
%Y Cf. A338012, A338015 (by antidiagonals), A338016 (multiplication).
%Y Cf. A337659, A337972.
%K nonn,tabl
%O 1,2
%A _Peter Kagey_, Oct 06 2020