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A230833 Sum of the first n strobogrammatic numbers. 0
0, 1, 9, 20, 89, 177, 273, 374, 485, 666, 1275, 1894, 2583, 3391, 4209, 5097, 6003, 6919, 7905, 8906, 10017, 11708, 13589, 15550, 21559, 27678, 34377, 41266, 48235, 56243, 64361, 73059, 81947, 90915, 99921, 109037 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

G. L. Honaker, Jr., Pentagrammic Decryption, unpublished.

LINKS

Table of n, a(n) for n=1..36.

Wikipedia, Strobogrammatic number

EXAMPLE

a(10) = 666 because 0+1+8+11+69+88+96+101+111+181 = 666.

CROSSREFS

Cf. partial sums of A000787.

Sequence in context: A109805 A013573 A146388 * A321723 A282763 A013338

Adjacent sequences:  A230830 A230831 A230832 * A230834 A230835 A230836

KEYWORD

nonn,base,easy

AUTHOR

G. L. Honaker, Jr., Oct 31 2013

STATUS

approved

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Last modified October 13 18:57 EDT 2019. Contains 327981 sequences. (Running on oeis4.)