A337973 - OEIS

%I #16 Oct 09 2020 17:19:46

%S 2,4,4,8,6,8,13,10,10,13,23,15,14,15,23,31,25,19,19,25,31,48,33,29,24,

%T 29,33,48,62,50,37,34,34,37,50,62,86,64,54,42,44,42,54,64,86,114,88,

%U 68,59,52,52,59,68,88,114,127,116,92,73,69,60,69,73,92,116,127

%N Addition table from A337946, read by antidiagonals.

%H Peter Kagey, <a href="/A337973/b337973.txt">Table of n, a(n) for n = 1..10011</a> (first 141 antidiagonals, flattened)

%e Addition table for A337946 begins:

%e   +  |  1  3  7 12  22  30  47  61  85

%e -----+--------------------------------

%e    1 |  2  4  8 13  23  31  48  62  86

%e    3 |  4  6 10 15  25  33  50  64  88

%e    7 |  8 10 14 19  29  37  54  68  92

%e   12 | 13 15 19 24  34  42  59  73  97

%e   22 | 23 25 29 34  44  52  69  83 107

%e   30 | 31 33 37 42  52  60  77  91 115

%e   47 | 48 50 54 59  69  77  94 108 132

%e   61 | 62 64 68 73  83  91 108 122 146

%e   85 | 86 88 92 97 107 115 132 146 170

%Y Cf. A337660, A337946, A338015, A338032.

%Y Cf. A337972 (by rows), A337975 (multiplication).

%K nonn,tabl

%O 1,1

%A _Peter Kagey_, Oct 05 2020