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A086022
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a(n) = Sum_(i=1..n) C(i+2,3)^4.
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22
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1, 257, 10257, 170257, 1670882, 11505378, 61292514, 268652514, 1009853139, 3352413139, 10042998755, 27598188771, 70457539396, 168802499396, 382616259396
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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CROSSREFS
| Cf. A086020, A086021, A086023, A086024, A086025, A086026, A086027, A086028, A086029, A086030, A087127, A024166, A085438, A085439, A085440, A085441, A085442.
Sequence in context: A000542 A023877 A168116 * A125649 A097736 A103349
Adjacent sequences: A086019 A086020 A086021 * A086023 A086024 A086025
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KEYWORD
| easy,nonn
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AUTHOR
| Andre F. Labossiere (boronali(AT)laposte.net), Jul 11 2003
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