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A276383 as a simple table

na(n)
12
24
36
48
510
613
715
817
919
1021
1124
1226
1328
1430
1532
1635
1737
1839
1941
2043
2146
2248
2350
2452
2554
2656
2759
2861
2963
3065
3167
3270
3372
3474
3576
3678
3781
3883
3985
4087
4189
4292
4394
4496
4598
46100
47102
48105
49107
50109
51111
52113
53116
54118
55120
56122
57124
58127
59129
60131
61133
62135
63138
64140
65142
66144
67146
68149
69151
70153
71155
72157
73159
74162
75164
76166
77168
78170
79173
80175
81177
82179
83181
84184
85186
86188
87190
88192
89195
90197
91199
92201
93203
94205
95208
96210
97212
98214
99216
100219
101221
102223
103225
104227
105230
106232
107234
108236
109238
110241
111243

[2,4,6,8,10,13,15,17,19,21,24,26,28,30,32,35,37,
 39,41,43,46,48,50,52,54,56,59,61,63,65,67,70,72,
 74,76,78,81,83,85,87,89,92,94,96,98,100,102,105,
 107,109,111,113,116,118,120,122,124,127,129,131,
 133,135,138,140,142,144,146,149,151,153,155,157,
 159,162,164,166,168,170,173,175,177,179,181,184,
 186,188,190,192,195,197,199,201,203,205,208,210,
 212,214,216,219,221,223,225,227,230,232,234,236,
 238,241,243]