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A248627
Index at which the first n appears in A248625 = least nonnegative sequence with no AP (a(n), a(n+d), a(n+2d)).
4
0, 2, 94, 7, 21, 120, 143, 23, 26, 59, 66, 72, 65, 78, 162, 195, 147, 149, 219, 79, 180, 172, 177, 196, 212, 202, 193, 201, 260, 373, 303, 386, 644, 294, 446, 378, 289, 419, 361, 505, 514, 877, 519, 835, 940, 494, 593, 753, 883, 957, 500, 484, 560, 406, 466
OFFSET
0,2
FORMULA
a(n) = A241752(n)-1.
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Oct 10 2014
STATUS
approved