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A377909
a(n) is the unmatched portion of the digit stream A376771 that A303656(n) must match, or -1 if this is the null string.
1
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 9, 18, 810, 1017, 1719, 1989, 989100, 8910027, 91002726, 100272636, 272636199999999999, 7263619999999999911, 26361999999999991116, 636199999999999111620, 3619999999999911162015, 61999999999991116201512, 199999999999111620151224, 9999999999111620151224199
OFFSET
1,11
CROSSREFS
Summary: the 16 sequences derived from A302656 are A376769-A376776, A377903-A377904, A377906-A377911.
Sequence in context: A133361 A353183 A005400 * A134115 A071587 A061750
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Nov 22 2024
STATUS
approved