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A031061
Position of n-th 3 in A031057.
0
2, 8, 16, 21, 23, 24, 25, 27, 32, 40, 48, 56, 66, 78, 90, 98, 101, 102, 104, 107, 114, 126, 138, 150, 162, 174, 186, 194, 197, 198, 200, 203, 210, 222, 234, 246, 253, 256, 258, 259, 262, 265, 268, 270, 271, 274, 277, 280, 282, 283
OFFSET
1,1
CROSSREFS
Sequence in context: A213249 A155853 A256552 * A175819 A125259 A169925
KEYWORD
nonn
STATUS
approved