login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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
OFFSET
1,3
REFERENCES
G. L. Honaker, Jr., Pentagrammic Decryption, unpublished.
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: A341529 A013573 A146388 * A321723 A282763 A013338
KEYWORD
nonn,base,easy
AUTHOR
G. L. Honaker, Jr., Oct 31 2013
STATUS
approved