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A216961 A216960/2. 2
0, 0, 0, 0, 1, 0, 2, 1, 3, 3, 6, 5, 13, 12, 28, 25, 58, 53, 118, 115, 243, 236, 505, 480, 1027, 1002, 2068, 2043, 4217, 4127, 8509, 8414, 17092, 16996, 34528 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..35.

Index entries for sequences related to curling numbers

CROSSREFS

Cf. A216960.

Sequence in context: A227774 A214920 A096373 * A241379 A108949 A167704

Adjacent sequences:  A216958 A216959 A216960 * A216962 A216963 A216964

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 27 2012

STATUS

approved

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Last modified January 22 23:00 EST 2019. Contains 319365 sequences. (Running on oeis4.)