cp's OEIS Frontend

A338014 Triangular array read by rows: T(n,k) = A338012(n) + A338012(k) for 1 <= k <= n.

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