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A171956
Positions of 6's in A181391.
7
10, 15, 29, 32, 43, 74, 77, 100, 118, 150, 164, 170, 171, 181, 193, 210, 221, 244, 265, 271, 272, 305, 311, 312, 317, 332, 346, 419, 444, 453, 457, 459, 463, 465, 467, 485, 506, 547, 597, 607, 613, 614, 619, 644, 653, 664, 697, 707, 717, 719
OFFSET
1,1
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 29 2010
STATUS
approved