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A056238 Nontrivial palindromic denominators in Leibniz's harmonic triangle. 0
6, 252, 272, 858, 2772, 4004, 6006, 289982, 2370732, 2629262, 6039306, 27999972, 28233282, 2704884072, 20278187202, 20591819502, 2592587852952, 2936231326392, 21809166190812, 27237788773272, 229145919541922 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A007622.

Sequence in context: A080358 A156936 A072228 * A184424 A041853 A168476

Adjacent sequences:  A056235 A056236 A056237 * A056239 A056240 A056241

KEYWORD

nonn,base

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 21 2000

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.