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A057928
Position at which 2^n occurs in A057926, or -1 if it does not occur.
2
0, -1, 2, 3, 6, 9, 15, 27, 36, 51, 87, 135, 243, 315, 531, 735, 969, 1707, 2679, 3831, 6363, 9663, 14559, 23091, 33045, 45999, 77523, 120471, 177639, 252717, 405321, 554037, 795831, 1335087, 1819527, 2491233, 4183467, 5920215, 8051991, 12530967, 20132061
OFFSET
0,3
CROSSREFS
Sequence in context: A355324 A293631 A018158 * A026735 A006868 A067435
KEYWORD
easy,sign
AUTHOR
Larry Reeves (larryr(AT)acm.org), Oct 03 2000
EXTENSIONS
More terms from Sean A. Irvine, Jul 12 2022
STATUS
approved