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A061456 Binary representation of a(n) corresponds to "ana"-sequence. 0
1, 5, 357, 93768037, 1689174798555184371255653, 9874926935306000254499942419184958425482775497556872534778412080951642469 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Encoding 'ana'/'121' = 1 and 'ann'/'122' = 2 results again in A060032 (left shifted).

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

a(3)= 357= 256+64+32+4+1= '101,100,101' (base 2), A060032(3)= '121,122,121'.

CROSSREFS

A060032.

Sequence in context: A172014 A172855 A006108 * A218994 A006430 A301613

Adjacent sequences:  A061453 A061454 A061455 * A061457 A061458 A061459

KEYWORD

eigen,nonn

AUTHOR

Frank Ellermann, Jun 11 2001

STATUS

approved

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Last modified January 25 07:29 EST 2020. Contains 331241 sequences. (Running on oeis4.)