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A177416 Triangle read by rows: R(n,k)=2^A141468(n) mod prime(k). 0
1, 0, 2, 0, 1, 1, 0, 1, 4, 1, 0, 1, 1, 4, 3, 0, 2, 2, 1, 6, 5, 0, 1, 4, 2, 1, 10, 4, 0, 1, 1, 1, 4, 1, 16, 11, 0, 1, 4, 4, 5, 4, 13, 6, 8, 0, 2, 3, 1, 10, 8, 9, 12, 16, 27, 0, 1, 1, 2, 9, 3, 1, 5, 9, 25, 2, 0, 1, 4, 1, 3, 12, 4, 1, 13, 13, 8, 36, 0, 1, 1, 4, 1, 9, 16, 4, 6, 23, 1, 33, 1, 0, 2, 2, 1, 2, 5, 15, 8, 12, 17, 2, 29, 2, 42 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

The triangle begins in row n=1 with columns 1<=k<=n as:

1,

0, 2,

0, 1, 1,

0, 1, 4, 1,

0, 1, 1, 4, 3,

0, 2, 2, 1, 6, 5,

CROSSREFS

Cf. A000079, A141468, A174620.

Sequence in context: A101672 A083731 A216266 * A087606 A271368 A116799

Adjacent sequences:  A177413 A177414 A177415 * A177417 A177418 A177419

KEYWORD

nonn,tabl,easy

AUTHOR

Juri-Stepan Gerasimov, Dec 10 2010

EXTENSIONS

A 23 replaced by 33 - R. J. Mathar, Dec 13 2010

STATUS

approved

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Last modified October 14 01:36 EDT 2019. Contains 327994 sequences. (Running on oeis4.)